diff --git a/.github/workflows/publish-sonatype.yml b/.github/workflows/publish-sonatype.yml
index 4fb6259..d001aa5 100644
--- a/.github/workflows/publish-sonatype.yml
+++ b/.github/workflows/publish-sonatype.yml
@@ -33,7 +33,7 @@ jobs:
           export -- GPG_SIGNING_KEY_ID
           printenv -- GPG_SIGNING_KEY | gpg --batch --passphrase-fd 3 --import 3<<< "$GPG_SIGNING_PASSWORD"
           GPG_SIGNING_KEY_ID="$(gpg --with-colons --list-keys | awk -F : -- '/^pub:/ { getline; print "0x" substr($10, length($10) - 7) }')"
-          ./gradlew publish --no-configuration-cache
+          ./gradlew publishAndReleaseToMavenCentral --stacktrace -PmavenCentralUsername="$SONATYPE_USERNAME" -PmavenCentralPassword="$SONATYPE_PASSWORD" --no-configuration-cache
         env:
           SONATYPE_USERNAME: ${{ secrets.LLAMA_CLOUD_SONATYPE_USERNAME || secrets.SONATYPE_USERNAME }}
           SONATYPE_PASSWORD: ${{ secrets.LLAMA_CLOUD_SONATYPE_PASSWORD || secrets.SONATYPE_PASSWORD }}
diff --git a/build.gradle.kts b/build.gradle.kts
index 5f5e899..538ea70 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -1,5 +1,4 @@
 plugins {
-    id("io.github.gradle-nexus.publish-plugin") version "1.1.0"
     id("org.jetbrains.dokka") version "2.0.0"
 }
 
@@ -34,15 +33,3 @@ tasks.named("dokkaJavadocCollector").configure {
         .filter { it.project.name != "llama-cloud" && it.name == "dokkaJavadocJar" }
         .forEach { mustRunAfter(it) }
 }
-
-nexusPublishing {
-    repositories {
-        sonatype {
-            nexusUrl.set(uri("https://s01.oss.sonatype.org/service/local/"))
-            snapshotRepositoryUrl.set(uri("https://s01.oss.sonatype.org/content/repositories/snapshots/"))
-
-            username.set(System.getenv("SONATYPE_USERNAME"))
-            password.set(System.getenv("SONATYPE_PASSWORD"))
-        }
-    }
-}
diff --git a/buildSrc/build.gradle.kts b/buildSrc/build.gradle.kts
index 0b14135..c6dc92e 100644
--- a/buildSrc/build.gradle.kts
+++ b/buildSrc/build.gradle.kts
@@ -1,12 +1,15 @@
 plugins {
     `kotlin-dsl`
     kotlin("jvm") version "1.9.20"
+    id("com.vanniktech.maven.publish") version "0.28.0"
 }
 
 repositories {
     gradlePluginPortal()
+    mavenCentral()
 }
 
 dependencies {
     implementation("org.jetbrains.kotlin:kotlin-gradle-plugin:1.9.20")
+    implementation("com.vanniktech:gradle-maven-publish-plugin:0.28.0")
 }
diff --git a/buildSrc/src/main/kotlin/llama-cloud.java.gradle.kts b/buildSrc/src/main/kotlin/llama-cloud.java.gradle.kts
index a3cfe28..8f4f902 100644
--- a/buildSrc/src/main/kotlin/llama-cloud.java.gradle.kts
+++ b/buildSrc/src/main/kotlin/llama-cloud.java.gradle.kts
@@ -8,11 +8,6 @@ repositories {
     mavenCentral()
 }
 
-configure<JavaPluginExtension> {
-    withJavadocJar()
-    withSourcesJar()
-}
-
 java {
     toolchain {
         languageVersion.set(JavaLanguageVersion.of(21))
@@ -27,10 +22,6 @@ tasks.withType<JavaCompile>().configureEach {
     options.release.set(8)
 }
 
-tasks.named<Jar>("javadocJar") {
-    setZip64(true)
-}
-
 tasks.named<Jar>("jar") {
     manifest {
         attributes(mapOf(
diff --git a/buildSrc/src/main/kotlin/llama-cloud.publish.gradle.kts b/buildSrc/src/main/kotlin/llama-cloud.publish.gradle.kts
index 5a832fd..cc436df 100644
--- a/buildSrc/src/main/kotlin/llama-cloud.publish.gradle.kts
+++ b/buildSrc/src/main/kotlin/llama-cloud.publish.gradle.kts
@@ -1,68 +1,71 @@
+import com.vanniktech.maven.publish.JavadocJar
+import com.vanniktech.maven.publish.KotlinJvm
+import com.vanniktech.maven.publish.MavenPublishBaseExtension
+import com.vanniktech.maven.publish.SonatypeHost
+
 plugins {
-    `maven-publish`
-    signing
+    id("com.vanniktech.maven.publish")
+}
+
+publishing {
+  repositories {
+      if (project.hasProperty("publishLocal")) {
+          maven {
+              name = "LocalFileSystem"
+              url = uri("${rootProject.layout.buildDirectory.get()}/local-maven-repo")
+          }
+      }
+  }
 }
 
-configure<PublishingExtension> {
-    publications {
-        register<MavenPublication>("maven") {
-            from(components["java"])
+repositories {
+    gradlePluginPortal()
+    mavenCentral()
+}
 
-            pom {
-                name.set("Llama Platform")
-                description.set("An SDK library for llama-cloud")
-                url.set("https://developers.llamaindex.ai/")
+extra["signingInMemoryKey"] = System.getenv("GPG_SIGNING_KEY")
+extra["signingInMemoryKeyId"] = System.getenv("GPG_SIGNING_KEY_ID")
+extra["signingInMemoryKeyPassword"] = System.getenv("GPG_SIGNING_PASSWORD")
 
-                licenses {
-                    license {
-                        name.set("MIT")
-                    }
-                }
+configure<MavenPublishBaseExtension> {
+    if (!project.hasProperty("publishLocal")) {
+        signAllPublications()
+        publishToMavenCentral(SonatypeHost.CENTRAL_PORTAL)
+    }
 
-                developers {
-                    developer {
-                        name.set("Llama Cloud")
-                    }
-                }
+    coordinates(project.group.toString(), project.name, project.version.toString())
+    configure(
+        KotlinJvm(
+            javadocJar = JavadocJar.Dokka("dokkaJavadoc"),
+            sourcesJar = true,
+        )
+    )
 
-                scm {
-                    connection.set("scm:git:git://github.com/run-llama/llama-parse-java.git")
-                    developerConnection.set("scm:git:git://github.com/run-llama/llama-parse-java.git")
-                    url.set("https://github.com/run-llama/llama-parse-java")
-                }
+    pom {
+        name.set("Llama Platform")
+        description.set("An SDK library for llama-cloud")
+        url.set("https://developers.llamaindex.ai/")
 
-                versionMapping {
-                    allVariants {
-                        fromResolutionResult()
-                    }
-                }
+        licenses {
+            license {
+                name.set("MIT")
             }
         }
-    }
-    repositories {
-        if (project.hasProperty("publishLocal")) {
-            maven {
-                name = "LocalFileSystem"
-                url = uri("${rootProject.layout.buildDirectory.get()}/local-maven-repo")
+
+        developers {
+            developer {
+                name.set("Llama Cloud")
             }
         }
-    }
-}
 
-signing {
-    val signingKeyId = System.getenv("GPG_SIGNING_KEY_ID")?.ifBlank { null }
-    val signingKey = System.getenv("GPG_SIGNING_KEY")?.ifBlank { null }
-    val signingPassword = System.getenv("GPG_SIGNING_PASSWORD")?.ifBlank { null }
-    if (signingKey != null && signingPassword != null) {
-        useInMemoryPgpKeys(
-            signingKeyId,
-            signingKey,
-            signingPassword,
-        )
-        sign(publishing.publications["maven"])
+        scm {
+            connection.set("scm:git:git://github.com/run-llama/llama-parse-java.git")
+            developerConnection.set("scm:git:git://github.com/run-llama/llama-parse-java.git")
+            url.set("https://github.com/run-llama/llama-parse-java")
+        }
     }
 }
 
-tasks.named("publish") {
-    dependsOn(":closeAndReleaseSonatypeStagingRepository")
+tasks.withType<Zip>().configureEach {
+    isZip64 = true
 }
diff --git a/llama-cloud-core/src/main/kotlin/com/llamacloud_prod/api/models/beta/directories/DirectoryCreateParams.kt b/llama-cloud-core/src/main/kotlin/com/llamacloud_prod/api/models/beta/directories/DirectoryCreateParams.kt
index dd12e61..0a2c99c 100644
--- a/llama-cloud-core/src/main/kotlin/com/llamacloud_prod/api/models/beta/directories/DirectoryCreateParams.kt
+++ b/llama-cloud-core/src/main/kotlin/com/llamacloud_prod/api/models/beta/directories/DirectoryCreateParams.kt
@@ -17,7 +17,6 @@ import com.llamacloud_prod.api.core.http.Headers
 import com.llamacloud_prod.api.core.http.QueryParams
 import com.llamacloud_prod.api.core.toImmutable
 import com.llamacloud_prod.api.errors.LlamaCloudInvalidDataException
-import java.time.OffsetDateTime
 import java.util.Collections
 import java.util.Objects
 import java.util.Optional
@@ -53,14 +52,6 @@ private constructor(
      */
     fun description(): Optional<String> = body.description()
 
-    /**
-     * When this directory expires. Required for ephemeral directories.
-     *
-     * @throws LlamaCloudInvalidDataException if the JSON field has an unexpected type (e.g. if the
-     *   server responded with an unexpected value).
-     */
-    fun expiresAt(): Optional<OffsetDateTime> = body.expiresAt()
-
     /**
      * Reserved system-managed metadata.
      *
@@ -91,13 +82,6 @@ private constructor(
      */
     fun _description(): JsonField<String> = body._description()
 
-    /**
-     * Returns the raw JSON value of [expiresAt].
-     *
-     * Unlike [expiresAt], this method doesn't throw if the JSON field has an unexpected type.
-     */
-    fun _expiresAt(): JsonField<OffsetDateTime> = body._expiresAt()
-
     /**
      * Returns the raw JSON value of [systemMetadata].
      *
@@ -171,10 +155,8 @@ private constructor(
          * Otherwise, it's more convenient to use the top-level setters instead:
          * - [name]
          * - [description]
-         * - [expiresAt]
          * - [systemMetadata]
          * - [type]
-         * - etc.
          */
         fun body(body: Body) = apply { this.body = body.toBuilder() }
 
@@ -204,21 +186,6 @@ private constructor(
          */
         fun description(description: JsonField<String>) = apply { body.description(description) }
 
-        /** When this directory expires. Required for ephemeral directories. */
-        fun expiresAt(expiresAt: OffsetDateTime?) = apply { body.expiresAt(expiresAt) }
-
-        /** Alias for calling [Builder.expiresAt] with `expiresAt.orElse(null)`. */
-        fun expiresAt(expiresAt: Optional<OffsetDateTime>) = expiresAt(expiresAt.getOrNull())
-
-        /**
-         * Sets [Builder.expiresAt] to an arbitrary JSON value.
-         *
-         * You should usually call [Builder.expiresAt] with a well-typed [OffsetDateTime] value
-         * instead. This method is primarily for setting the field to an undocumented or not yet
-         * supported value.
-         */
-        fun expiresAt(expiresAt: JsonField<OffsetDateTime>) = apply { body.expiresAt(expiresAt) }
-
         /** Reserved system-managed metadata. */
         fun systemMetadata(systemMetadata: SystemMetadata?) = apply {
             body.systemMetadata(systemMetadata)
@@ -408,7 +375,6 @@ private constructor(
     private constructor(
         private val name: JsonField<String>,
         private val description: JsonField<String>,
-        private val expiresAt: JsonField<OffsetDateTime>,
         private val systemMetadata: JsonField<SystemMetadata>,
         private val type: JsonField<Type>,
         private val additionalProperties: MutableMap<String, JsonValue>,
@@ -420,14 +386,11 @@ private constructor(
             @JsonProperty("description")
             @ExcludeMissing
             description: JsonField<String> = JsonMissing.of(),
-            @JsonProperty("expires_at")
-            @ExcludeMissing
-            expiresAt: JsonField<OffsetDateTime> = JsonMissing.of(),
             @JsonProperty("system_metadata")
             @ExcludeMissing
             systemMetadata: JsonField<SystemMetadata> = JsonMissing.of(),
             @JsonProperty("type") @ExcludeMissing type: JsonField<Type> = JsonMissing.of(),
-        ) : this(name, description, expiresAt, systemMetadata, type, mutableMapOf())
+        ) : this(name, description, systemMetadata, type, mutableMapOf())
 
         /**
          * Human-readable name for the directory.
@@ -445,14 +408,6 @@ private constructor(
          */
         fun description(): Optional<String> = description.getOptional("description")
 
-        /**
-         * When this directory expires. Required for ephemeral directories.
-         *
-         * @throws LlamaCloudInvalidDataException if the JSON field has an unexpected type (e.g. if
-         *   the server responded with an unexpected value).
-         */
-        fun expiresAt(): Optional<OffsetDateTime> = expiresAt.getOptional("expires_at")
-
         /**
          * Reserved system-managed metadata.
          *
@@ -486,15 +441,6 @@ private constructor(
         @ExcludeMissing
         fun _description(): JsonField<String> = description
 
-        /**
-         * Returns the raw JSON value of [expiresAt].
-         *
-         * Unlike [expiresAt], this method doesn't throw if the JSON field has an unexpected type.
-         */
-        @JsonProperty("expires_at")
-        @ExcludeMissing
-        fun _expiresAt(): JsonField<OffsetDateTime> = expiresAt
-
         /**
          * Returns the raw JSON value of [systemMetadata].
          *
@@ -542,7 +488,6 @@ private constructor(
 
             private var name: JsonField<String>? = null
             private var description: JsonField<String> = JsonMissing.of()
-            private var expiresAt: JsonField<OffsetDateTime> = JsonMissing.of()
             private var systemMetadata: JsonField<SystemMetadata> = JsonMissing.of()
             private var type: JsonField<Type> = JsonMissing.of()
             private var additionalProperties: MutableMap<String, JsonValue> = mutableMapOf()
@@ -551,7 +496,6 @@ private constructor(
             internal fun from(body: Body) = apply {
                 name = body.name
                 description = body.description
-                expiresAt = body.expiresAt
                 systemMetadata = body.systemMetadata
                 type = body.type
                 additionalProperties = body.additionalProperties.toMutableMap()
@@ -586,23 +530,6 @@ private constructor(
                 this.description = description
             }
 
-            /** When this directory expires. Required for ephemeral directories. */
-            fun expiresAt(expiresAt: OffsetDateTime?) = expiresAt(JsonField.ofNullable(expiresAt))
-
-            /** Alias for calling [Builder.expiresAt] with `expiresAt.orElse(null)`. */
-            fun expiresAt(expiresAt: Optional<OffsetDateTime>) = expiresAt(expiresAt.getOrNull())
-
-            /**
-             * Sets [Builder.expiresAt] to an arbitrary JSON value.
-             *
-             * You should usually call [Builder.expiresAt] with a well-typed [OffsetDateTime] value
-             * instead. This method is primarily for setting the field to an undocumented or not yet
-             * supported value.
-             */
-            fun expiresAt(expiresAt: JsonField<OffsetDateTime>) = apply {
-                this.expiresAt = expiresAt
-            }
-
             /** Reserved system-managed metadata. */
             fun systemMetadata(systemMetadata: SystemMetadata?) =
                 systemMetadata(JsonField.ofNullable(systemMetadata))
@@ -669,7 +596,6 @@ private constructor(
                 Body(
                     checkRequired("name", name),
                     description,
-                    expiresAt,
                     systemMetadata,
                     type,
                     additionalProperties.toMutableMap(),
@@ -694,7 +620,6 @@ private constructor(
 
             name()
             description()
-            expiresAt()
             systemMetadata().ifPresent { it.validate() }
             type().ifPresent { it.validate() }
             validated = true
@@ -718,7 +643,6 @@ private constructor(
         internal fun validity(): Int =
             (if (name.asKnown().isPresent) 1 else 0) +
                 (if (description.asKnown().isPresent) 1 else 0) +
-                (if (expiresAt.asKnown().isPresent) 1 else 0) +
                 (systemMetadata.asKnown().getOrNull()?.validity() ?: 0) +
                 (type.asKnown().getOrNull()?.validity() ?: 0)
 
@@ -730,20 +654,19 @@ private constructor(
             return other is Body &&
                 name == other.name &&
                 description == other.description &&
-                expiresAt == other.expiresAt &&
                 systemMetadata == other.systemMetadata &&
                 type == other.type &&
                 additionalProperties == other.additionalProperties
         }
 
         private val hashCode: Int by lazy {
-            Objects.hash(name, description, expiresAt, systemMetadata, type, additionalProperties)
+            Objects.hash(name, description, systemMetadata, type, additionalProperties)
         }
 
         override fun hashCode(): Int = hashCode
 
         override fun toString() =
-            "Body{name=$name, description=$description, expiresAt=$expiresAt, systemMetadata=$systemMetadata, type=$type, additionalProperties=$additionalProperties}"
+            "Body{name=$name, description=$description, systemMetadata=$systemMetadata, type=$type, additionalProperties=$additionalProperties}"
     }
 
     /** Reserved system-managed metadata. */
diff --git a/llama-cloud-core/src/test/kotlin/com/llamacloud_prod/api/models/beta/directories/DirectoryCreateParamsTest.kt b/llama-cloud-core/src/test/kotlin/com/llamacloud_prod/api/models/beta/directories/DirectoryCreateParamsTest.kt
index b8f8fba..737658d 100644
--- a/llama-cloud-core/src/test/kotlin/com/llamacloud_prod/api/models/beta/directories/DirectoryCreateParamsTest.kt
+++ b/llama-cloud-core/src/test/kotlin/com/llamacloud_prod/api/models/beta/directories/DirectoryCreateParamsTest.kt
@@ -4,7 +4,6 @@ package com.llamacloud_prod.api.models.beta.directories
 
 import com.llamacloud_prod.api.core.JsonValue
 import com.llamacloud_prod.api.core.http.QueryParams
-import java.time.OffsetDateTime
 import org.assertj.core.api.Assertions.assertThat
 import org.junit.jupiter.api.Test
 
@@ -17,7 +16,6 @@ internal class DirectoryCreateParamsTest {
             .projectId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
             .name("x")
             .description("description")
-            .expiresAt(OffsetDateTime.parse("2026-05-10T00:00:00Z"))
             .systemMetadata(
                 DirectoryCreateParams.SystemMetadata.builder()
                     .putAdditionalProperty("foo", JsonValue.from("bar"))
@@ -35,7 +33,6 @@ internal class DirectoryCreateParamsTest {
                 .projectId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                 .name("x")
                 .description("description")
-                .expiresAt(OffsetDateTime.parse("2026-05-10T00:00:00Z"))
                 .systemMetadata(
                     DirectoryCreateParams.SystemMetadata.builder()
                         .putAdditionalProperty("foo", JsonValue.from("bar"))
@@ -72,7 +69,6 @@ internal class DirectoryCreateParamsTest {
                 .projectId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                 .name("x")
                 .description("description")
-                .expiresAt(OffsetDateTime.parse("2026-05-10T00:00:00Z"))
                 .systemMetadata(
                     DirectoryCreateParams.SystemMetadata.builder()
                         .putAdditionalProperty("foo", JsonValue.from("bar"))
@@ -85,7 +81,6 @@ internal class DirectoryCreateParamsTest {
 
         assertThat(body.name()).isEqualTo("x")
         assertThat(body.description()).contains("description")
-        assertThat(body.expiresAt()).contains(OffsetDateTime.parse("2026-05-10T00:00:00Z"))
         assertThat(body.systemMetadata())
             .contains(
                 DirectoryCreateParams.SystemMetadata.builder()
diff --git a/llama-cloud-core/src/test/kotlin/com/llamacloud_prod/api/services/async/beta/DirectoryServiceAsyncTest.kt b/llama-cloud-core/src/test/kotlin/com/llamacloud_prod/api/services/async/beta/DirectoryServiceAsyncTest.kt
index c69e3ff..8abe066 100644
--- a/llama-cloud-core/src/test/kotlin/com/llamacloud_prod/api/services/async/beta/DirectoryServiceAsyncTest.kt
+++ b/llama-cloud-core/src/test/kotlin/com/llamacloud_prod/api/services/async/beta/DirectoryServiceAsyncTest.kt
@@ -8,7 +8,6 @@ import com.llamacloud_prod.api.models.beta.directories.DirectoryCreateParams
 import com.llamacloud_prod.api.models.beta.directories.DirectoryDeleteParams
 import com.llamacloud_prod.api.models.beta.directories.DirectoryGetParams
 import com.llamacloud_prod.api.models.beta.directories.DirectoryUpdateParams
-import java.time.OffsetDateTime
 import org.junit.jupiter.api.Disabled
 import org.junit.jupiter.api.Test
 
@@ -27,7 +26,6 @@ internal class DirectoryServiceAsyncTest {
                     .projectId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                     .name("x")
                     .description("description")
-                    .expiresAt(OffsetDateTime.parse("2026-05-10T00:00:00Z"))
                     .systemMetadata(
                         DirectoryCreateParams.SystemMetadata.builder()
                             .putAdditionalProperty("foo", JsonValue.from("bar"))
diff --git a/llama-cloud-core/src/test/kotlin/com/llamacloud_prod/api/services/blocking/beta/DirectoryServiceTest.kt b/llama-cloud-core/src/test/kotlin/com/llamacloud_prod/api/services/blocking/beta/DirectoryServiceTest.kt
index f133a4e..a165f09 100644
--- a/llama-cloud-core/src/test/kotlin/com/llamacloud_prod/api/services/blocking/beta/DirectoryServiceTest.kt
+++ b/llama-cloud-core/src/test/kotlin/com/llamacloud_prod/api/services/blocking/beta/DirectoryServiceTest.kt
@@ -8,7 +8,6 @@ import com.llamacloud_prod.api.models.beta.directories.DirectoryCreateParams
 import com.llamacloud_prod.api.models.beta.directories.DirectoryDeleteParams
 import com.llamacloud_prod.api.models.beta.directories.DirectoryGetParams
 import com.llamacloud_prod.api.models.beta.directories.DirectoryUpdateParams
-import java.time.OffsetDateTime
 import org.junit.jupiter.api.Disabled
 import org.junit.jupiter.api.Test
 
@@ -27,7 +26,6 @@ internal class DirectoryServiceTest {
                     .projectId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e")
                     .name("x")
                     .description("description")
-                    .expiresAt(OffsetDateTime.parse("2026-05-10T00:00:00Z"))
                     .systemMetadata(
                         DirectoryCreateParams.SystemMetadata.builder()
                             .putAdditionalProperty("foo", JsonValue.from("bar"))