diff --git a/samples/install-without-bom/pom.xml b/samples/install-without-bom/pom.xml
index 9f9939252..dd12c7f48 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>2.3.0</version>
+      <version>2.3.1</version>
       <classifier>tests</classifier>
     </dependency>
   </dependencies>
diff --git a/samples/snapshot/pom.xml b/samples/snapshot/pom.xml
index eb42c9c78..e85f5a995 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>2.3.0</version>
+      <version>2.3.1</version>
       <classifier>tests</classifier>
     </dependency>
   </dependencies>
diff --git a/samples/snippets/pom.xml b/samples/snippets/pom.xml
index 4e8829ecc..e39780f6f 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>2.3.0</version>
+      <version>2.3.1</version>
       <classifier>tests</classifier>
     </dependency>
     <!-- [END_EXCLUDE] -->