diff --git a/.github/workflows/unitTests.yaml b/.github/workflows/unitTests.yaml
index a9ff15202e..66d01c87ee 100644
--- a/.github/workflows/unitTests.yaml
+++ b/.github/workflows/unitTests.yaml
@@ -13,7 +13,7 @@ on:
 
 jobs:
   unitTests:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     strategy:
       fail-fast: false
       matrix:
@@ -22,19 +22,16 @@ jobs:
     - name: Get current date
       id: date
       run: echo "::set-output name=date::$(date +'%Y-%m-%d' --utc)"
-
-    - uses: actions/checkout@v2
-
-    - uses: actions/setup-java@v1
+    - uses: actions/checkout@v4
+    - uses: actions/setup-java@v4
       with:
         java-version: ${{ matrix.java }}
-
-    - uses: actions/cache@v2
+        distribution: temurin
+    - uses: actions/cache@v4
       id: mvn-cache
       with:
         path: ~/.m2/repository
         key: ${{ runner.os }}-maven-unified-${{ steps.date.outputs.date }}
-
     - name: Mvn install # Need this when the directory/pom structure changes
       id: install1
       continue-on-error: true
@@ -46,7 +43,6 @@ jobs:
           --define maven.test.skip=true \
           --define maven.javadoc.skip=true \
           install
-
     - name: Retry install on failure
       id: install2
       if: steps.install1.outcome == 'failure'
@@ -58,7 +54,6 @@ jobs:
           --define maven.test.skip=true \
           --define maven.javadoc.skip=true \
           install
-
     - name: Unit Tests
       run: |
         ./mvnw \
@@ -66,14 +61,12 @@ jobs:
           --fail-at-end \
           --threads 1.5C \
           test
-
     - name: Aggregate Report
       run: |
         ./mvnw \
           --batch-mode \
           --define aggregate=true \
           surefire-report:report-only
-
     - name: Archive logs
       if: always()
       continue-on-error: true
@@ -84,28 +77,24 @@ jobs:
           **/target/surefire-reports/*
           **/target/site
 
-
   releaseCheck:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     strategy:
       fail-fast: false
     steps:
       - name: Get current date
         id: date
         run: echo "::set-output name=date::$(date +'%Y-%m-%d' --utc)"
-
-      - uses: actions/checkout@v2
-
-      - uses: actions/setup-java@v1
+      - uses: actions/checkout@v4
+      - uses: actions/setup-java@v4
         with:
           java-version: 11
-
-      - uses: actions/cache@v2
+          distribution: temurin
+      - uses: actions/cache@v4
         id: mvn-cache
         with:
           path: ~/.m2/repository
           key: ${{ runner.os }}-maven-unified-${{ steps.date.outputs.date }}
-
       - name: releaseCheck
         run: |
           ./mvnw \
@@ -116,7 +105,6 @@ jobs:
             -Dcheckstyle.skip \
             clean \
             package
-
       - name: docsCheck
         run: |
           ./mvnw \
@@ -128,7 +116,6 @@ jobs:
             --projects docs \
             clean \
             package
-
       - name: Archive Artifacts
         if: always()
         continue-on-error: true
diff --git a/spring-cloud-gcp-dependencies/pom.xml b/spring-cloud-gcp-dependencies/pom.xml
index 6de35f52a1..00d58967c5 100644
--- a/spring-cloud-gcp-dependencies/pom.xml
+++ b/spring-cloud-gcp-dependencies/pom.xml
@@ -29,7 +29,7 @@
 	</distributionManagement>
 
 	<properties>
-		<gcp-libraries-bom.version>26.51.0</gcp-libraries-bom.version>
+		<gcp-libraries-bom.version>26.52.0</gcp-libraries-bom.version>
 		<cloud-sql-socket-factory.version>1.20.1</cloud-sql-socket-factory.version>
 		<r2dbc-mysql-driver.version>0.9.7</r2dbc-mysql-driver.version>
 		<r2dbc-postgres-driver.version>0.8.13.RELEASE</r2dbc-postgres-driver.version>
diff --git a/spring-cloud-gcp-pubsub/src/test/java/com/google/cloud/spring/pubsub/support/DefaultPublisherFactoryTests.java b/spring-cloud-gcp-pubsub/src/test/java/com/google/cloud/spring/pubsub/support/DefaultPublisherFactoryTests.java
index 71b94953a1..786619e894 100644
--- a/spring-cloud-gcp-pubsub/src/test/java/com/google/cloud/spring/pubsub/support/DefaultPublisherFactoryTests.java
+++ b/spring-cloud-gcp-pubsub/src/test/java/com/google/cloud/spring/pubsub/support/DefaultPublisherFactoryTests.java
@@ -47,7 +47,6 @@ public void setUp() throws IOException {
     factory.setCredentialsProvider(NoCredentialsProvider.create());
     TransportChannelProvider mockChannelProvider = mock(TransportChannelProvider.class);
     TransportChannel mockTransportChannel = mock(TransportChannel.class);
-    when(mockChannelProvider.withUseS2A(anyBoolean())).thenReturn(mockChannelProvider);
     when(mockChannelProvider.getTransportChannel()).thenReturn(mockTransportChannel);
     ApiCallContext mockContext = mock(ApiCallContext.class);
     when(mockTransportChannel.getEmptyCallContext()).thenReturn(mockContext);
diff --git a/spring-cloud-gcp-pubsub/src/test/java/com/google/cloud/spring/pubsub/support/DefaultSubscriberFactoryTests.java b/spring-cloud-gcp-pubsub/src/test/java/com/google/cloud/spring/pubsub/support/DefaultSubscriberFactoryTests.java
index 2c48b671b3..58fa9f0676 100644
--- a/spring-cloud-gcp-pubsub/src/test/java/com/google/cloud/spring/pubsub/support/DefaultSubscriberFactoryTests.java
+++ b/spring-cloud-gcp-pubsub/src/test/java/com/google/cloud/spring/pubsub/support/DefaultSubscriberFactoryTests.java
@@ -48,6 +48,7 @@
 import java.util.concurrent.ConcurrentHashMap;
 import org.apache.commons.lang3.reflect.FieldUtils;
 import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Disabled;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.extension.ExtendWith;
 import org.mockito.Mock;
@@ -381,9 +382,9 @@ void testCreateSubscriber_validateSetProperties() {
     assertThat(expectedSubscriber.getFlowControlSettings().getLimitExceededBehavior())
         .isEqualTo(FlowController.LimitExceededBehavior.Ignore);
     assertThat(expectedSubscriber)
-        .hasFieldOrPropertyWithValue("maxAckExtensionPeriod", Duration.ofSeconds(2L))
-        .hasFieldOrPropertyWithValue("minDurationPerAckExtension", Duration.ofSeconds(3L))
-        .hasFieldOrPropertyWithValue("maxDurationPerAckExtension", Duration.ofSeconds(4L))
+        .hasFieldOrPropertyWithValue("maxAckExtensionPeriod", java.time.Duration.ofSeconds(2L))
+        .hasFieldOrPropertyWithValue("minDurationPerAckExtension", java.time.Duration.ofSeconds(3L))
+        .hasFieldOrPropertyWithValue("maxDurationPerAckExtension", java.time.Duration.ofSeconds(4L))
         .hasFieldOrPropertyWithValue("numPullers", 2)
         .hasFieldOrPropertyWithValue("subStubSettings.endpoint", "test.endpoint");
   }