diff --git a/samples/install-without-bom/pom.xml b/samples/install-without-bom/pom.xml
index 6b48989d5..6b66528d4 100644
--- a/samples/install-without-bom/pom.xml
+++ b/samples/install-without-bom/pom.xml
@@ -62,7 +62,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-core</artifactId>
-      <version>2.3.0</version>
+      <version>2.3.1</version>
       <scope>test</scope>
       <classifier>tests</classifier>
     </dependency>
diff --git a/samples/snapshot/pom.xml b/samples/snapshot/pom.xml
index 06552f06f..7e53d58ce 100644
--- a/samples/snapshot/pom.xml
+++ b/samples/snapshot/pom.xml
@@ -62,7 +62,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-core</artifactId>
-      <version>2.3.0</version>
+      <version>2.3.1</version>
       <scope>test</scope>
       <classifier>tests</classifier>
     </dependency>
diff --git a/samples/snippets/pom.xml b/samples/snippets/pom.xml
index 33188b66e..75b28ecf8 100644
--- a/samples/snippets/pom.xml
+++ b/samples/snippets/pom.xml
@@ -66,7 +66,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-core</artifactId>
-      <version>2.3.0</version>
+      <version>2.3.1</version>
       <scope>test</scope>
       <classifier>tests</classifier>
     </dependency>