diff --git a/.github/workflows/maven.yml b/.github/workflows/maven.yml
index f112deb..efe3046 100644
--- a/.github/workflows/maven.yml
+++ b/.github/workflows/maven.yml
@@ -2,9 +2,9 @@ name: Java CI with Maven
 
 on:
   push:
-    branches: [ "master" ]
+    branches: [ "main" ]
   pull_request:
-    branches: [ "master" ]
+    branches: [ "main", "develop" ]
 
 jobs:
   build:
@@ -29,4 +29,4 @@ jobs:
       run: mvn sonar:sonar -Dsonar.token=$SONAR_TOKEN
 
     - name: Update dependency graph
-      uses: advanced-security/maven-dependency-submission-action@571e99aab1055c2e71a1e2309b9691de18d6b7d6
+      uses: advanced-security/maven-dependency-submission-action@v4
diff --git a/openapi-front-end/src/test/java/org/apiaddicts/apitools/dosonarapi/openapi/metrics/FileLinesVisitorTest.java b/openapi-front-end/src/test/java/org/apiaddicts/apitools/dosonarapi/openapi/metrics/FileLinesVisitorTest.java
index 6d79293..33af1a2 100644
--- a/openapi-front-end/src/test/java/org/apiaddicts/apitools/dosonarapi/openapi/metrics/FileLinesVisitorTest.java
+++ b/openapi-front-end/src/test/java/org/apiaddicts/apitools/dosonarapi/openapi/metrics/FileLinesVisitorTest.java
@@ -38,8 +38,8 @@ public void can_report_metrics() {
     TestOpenApiVisitorRunner.scanFile(new File(BASE_DIR, "file-lines.yaml"), visitor);
 
     // sonar extensions are counted as lines of code
-    assertThat(visitor.getLinesOfCode()).hasSize(16);
-    assertThat(visitor.getLinesOfCode()).containsOnly(1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 13, 14, 17, 18, 19);
+    assertThat(visitor.getLinesOfCode()).hasSize(15);
+    assertThat(visitor.getLinesOfCode()).containsOnly(1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 13, 14, 17, 18);
 
     assertThat(visitor.getLinesOfComments()).hasSize(3);
     assertThat(visitor.getLinesOfComments()).containsOnly(8, 15, 16);
@@ -55,8 +55,8 @@ public void correctly_reports_strings_with_embedded_newline() {
 
     TestOpenApiVisitorRunner.scanFile(new File(BASE_DIR, "embedded-newlines-lines.yaml"), visitor);
 
-    assertThat(visitor.getLinesOfCode()).hasSize(16);
-    assertThat(visitor.getLinesOfCode()).containsOnly(1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 13, 14, 17, 18, 19);
+    assertThat(visitor.getLinesOfCode()).hasSize(15);
+    assertThat(visitor.getLinesOfCode()).containsOnly(1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 13, 14, 17, 18);
   }
 
   @Test
@@ -65,7 +65,7 @@ public void correctly_reports_multiline_strings() {
 
     TestOpenApiVisitorRunner.scanFile(new File(BASE_DIR, "multiline-lines.yaml"), visitor);
 
-    assertThat(visitor.getLinesOfCode()).hasSize(18);
-    assertThat(visitor.getLinesOfCode()).containsOnly(1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 13, 14, 15, 16, 19, 20, 21);
+    assertThat(visitor.getLinesOfCode()).hasSize(17);
+    assertThat(visitor.getLinesOfCode()).containsOnly(1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 13, 14, 15, 16, 19, 20);
   }
 }
diff --git a/openapi-front-end/src/test/resources/metrics/embedded-newlines-lines.yaml b/openapi-front-end/src/test/resources/metrics/embedded-newlines-lines.yaml
index fb3cfc8..19302af 100644
--- a/openapi-front-end/src/test/resources/metrics/embedded-newlines-lines.yaml
+++ b/openapi-front-end/src/test/resources/metrics/embedded-newlines-lines.yaml
@@ -15,4 +15,4 @@ paths:
   #
   # another comment line
   /newpets:
-    $ref: '#/paths/~1pets'
+    $ref: '#/paths/~1pets'
\ No newline at end of file
diff --git a/openapi-front-end/src/test/resources/metrics/file-lines.yaml b/openapi-front-end/src/test/resources/metrics/file-lines.yaml
index dba6079..6ca3c06 100644
--- a/openapi-front-end/src/test/resources/metrics/file-lines.yaml
+++ b/openapi-front-end/src/test/resources/metrics/file-lines.yaml
@@ -15,4 +15,4 @@ paths:
 #
 # another comment line
   /newpets:
-    $ref: '#/paths/~1pets'
+    $ref: '#/paths/~1pets'
\ No newline at end of file
diff --git a/openapi-front-end/src/test/resources/metrics/multiline-lines.yaml b/openapi-front-end/src/test/resources/metrics/multiline-lines.yaml
index 75c4d26..2bfdb36 100644
--- a/openapi-front-end/src/test/resources/metrics/multiline-lines.yaml
+++ b/openapi-front-end/src/test/resources/metrics/multiline-lines.yaml
@@ -17,4 +17,4 @@ paths:
   #
   # another comment line
   /newpets:
-    $ref: '#/paths/~1pets'
+    $ref: '#/paths/~1pets'
\ No newline at end of file