diff --git a/.github/workflows/presubmit.yaml b/.github/workflows/presubmit.yaml
index f195334..d13a089 100644
--- a/.github/workflows/presubmit.yaml
+++ b/.github/workflows/presubmit.yaml
@@ -10,16 +10,16 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Checkout sources
-      uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6
+      uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
       with:
         persist-credentials: false
     - name: Set up Java
-      uses: actions/setup-java@1bcf9fb12cf4aa7d266a90ae39939e61372fe520 # v5
+      uses: actions/setup-java@1bcf9fb12cf4aa7d266a90ae39939e61372fe520 # v5.4.0
       with:
         java-version: '11'
         distribution: 'temurin'
     - name: Setup Gradle
-      uses: gradle/actions/setup-gradle@3f131e8634966bd73d06cc69884922b02e6faf92 # v6
+      uses: gradle/actions/setup-gradle@3f131e8634966bd73d06cc69884922b02e6faf92 # v6.2.0
       with:
         cache-disabled: true
     # TODO(jradcliff): Add a lint step. Currently blocked by https://github.com/abcxyz/actions/issues/107.
diff --git a/data-manager-samples/src/main/java/com/google/ads/datamanager/samples/IngestAudienceMembers.java b/data-manager-samples/src/main/java/com/google/ads/datamanager/samples/IngestAudienceMembers.java
index 8730cd8..c2d5298 100644
--- a/data-manager-samples/src/main/java/com/google/ads/datamanager/samples/IngestAudienceMembers.java
+++ b/data-manager-samples/src/main/java/com/google/ads/datamanager/samples/IngestAudienceMembers.java
@@ -361,6 +361,12 @@ private void runExample(ParamsConfig params) throws IOException, GeneralSecurity
         if (LOGGER.isLoggable(Level.INFO)) {
           LOGGER.info(String.format("Response for request #%d:%n%s", requestCount, response));
         }
+
+        if (response.getFieldWarningsCount() > 0) {
+          LOGGER.warning(
+              "Request ingested successfully, but field warnings were returned. Review warning"
+                  + " details and update your implementation as needed.");
+        }
       }
       LOGGER.info("# of requests sent: " + requestCount);
     }
diff --git a/data-manager-samples/src/main/java/com/google/ads/datamanager/samples/IngestEvents.java b/data-manager-samples/src/main/java/com/google/ads/datamanager/samples/IngestEvents.java
index 0595b11..fef4253 100644
--- a/data-manager-samples/src/main/java/com/google/ads/datamanager/samples/IngestEvents.java
+++ b/data-manager-samples/src/main/java/com/google/ads/datamanager/samples/IngestEvents.java
@@ -266,7 +266,13 @@ private void runExample(ParamsConfig params) throws IOException {
 
         LOGGER.info(() -> String.format("Request:%n%s", request));
         IngestEventsResponse response = ingestionServiceClient.ingestEvents(request);
-        LOGGER.info(String.format("Response for request #:%n%s", requestCount, response));
+        LOGGER.info(String.format("Response for request #%d:%n%s", requestCount, response));
+
+        if (response.getFieldWarningsCount() > 0) {
+          LOGGER.warning(
+              "Request ingested successfully, but field warnings were returned. Review warning"
+                  + " details and update your implementation as needed.");
+        }
       }
 
       LOGGER.info("# of requests sent: " + requestCount);