diff --git a/samples/install-without-bom/pom.xml b/samples/install-without-bom/pom.xml
index 25dd56fe..792ce5e3 100644
--- a/samples/install-without-bom/pom.xml
+++ b/samples/install-without-bom/pom.xml
@@ -48,7 +48,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-core</artifactId>
-      <version>2.1.7</version>
+      <version>2.1.8</version>
       <classifier>tests</classifier>
     </dependency>
   </dependencies>
diff --git a/samples/snapshot/pom.xml b/samples/snapshot/pom.xml
index 5da2cea9..1f1cdc8c 100644
--- a/samples/snapshot/pom.xml
+++ b/samples/snapshot/pom.xml
@@ -46,7 +46,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-core</artifactId>
-      <version>2.1.7</version>
+      <version>2.1.8</version>
       <classifier>tests</classifier>
     </dependency>
   </dependencies>
diff --git a/samples/snippets/pom.xml b/samples/snippets/pom.xml
index c727f0bf..f7de3061 100644
--- a/samples/snippets/pom.xml
+++ b/samples/snippets/pom.xml
@@ -59,7 +59,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-core</artifactId>
-      <version>2.1.7</version>
+      <version>2.1.8</version>
       <classifier>tests</classifier>
     </dependency>
   </dependencies>