diff --git a/samples/install-without-bom/pom.xml b/samples/install-without-bom/pom.xml
index 7a8d960d0..155e04a22 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>2.5.3</version>
+      <version>2.5.4</version>
       <classifier>tests</classifier>
     </dependency>
   </dependencies>
diff --git a/samples/snapshot/pom.xml b/samples/snapshot/pom.xml
index 576bee4d0..139d0c146 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>2.5.3</version>
+      <version>2.5.4</version>
       <classifier>tests</classifier>
     </dependency>
   </dependencies>
diff --git a/samples/snippets/pom.xml b/samples/snippets/pom.xml
index 18280457a..acb33fa56 100644
--- a/samples/snippets/pom.xml
+++ b/samples/snippets/pom.xml
@@ -90,7 +90,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-core</artifactId>
-      <version>2.5.3</version>
+      <version>2.5.4</version>
       <classifier>tests</classifier>
     </dependency>
     <!-- [END_EXCLUDE] -->