diff --git a/samples/install-without-bom/pom.xml b/samples/install-without-bom/pom.xml
index bedd4b707..01ed43ae4 100644
--- a/samples/install-without-bom/pom.xml
+++ b/samples/install-without-bom/pom.xml
@@ -80,7 +80,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-core</artifactId>
-      <version>2.28.0</version>
+      <version>2.30.0</version>
       <classifier>tests</classifier>
     </dependency>
     <dependency>
diff --git a/samples/snapshot/pom.xml b/samples/snapshot/pom.xml
index 3fe333e49..231eaa0aa 100644
--- a/samples/snapshot/pom.xml
+++ b/samples/snapshot/pom.xml
@@ -79,7 +79,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-core</artifactId>
-      <version>2.28.0</version>
+      <version>2.30.0</version>
       <classifier>tests</classifier>
     </dependency>
     <dependency>
diff --git a/samples/snippets/pom.xml b/samples/snippets/pom.xml
index ba9075966..375515ebb 100644
--- a/samples/snippets/pom.xml
+++ b/samples/snippets/pom.xml
@@ -98,7 +98,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-core</artifactId>
-      <version>2.28.0</version>
+      <version>2.30.0</version>
       <classifier>tests</classifier>
     </dependency>
     <!-- [END_EXCLUDE] -->