diff --git a/samples/install-without-bom/pom.xml b/samples/install-without-bom/pom.xml
index 16810a413..6b9ae9ca1 100644
--- a/samples/install-without-bom/pom.xml
+++ b/samples/install-without-bom/pom.xml
@@ -63,7 +63,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-core</artifactId>
-      <version>2.8.20</version>
+      <version>2.8.21</version>
       <scope>test</scope>
       <classifier>tests</classifier>
     </dependency>
diff --git a/samples/snapshot/pom.xml b/samples/snapshot/pom.xml
index b8e620728..dcd543c67 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>2.8.20</version>
+      <version>2.8.21</version>
       <scope>test</scope>
       <classifier>tests</classifier>
     </dependency>
diff --git a/samples/snippets/pom.xml b/samples/snippets/pom.xml
index 91da15980..98252d850 100644
--- a/samples/snippets/pom.xml
+++ b/samples/snippets/pom.xml
@@ -71,7 +71,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-core</artifactId>
-      <version>2.8.20</version>
+      <version>2.8.21</version>
       <scope>test</scope>
       <classifier>tests</classifier>
     </dependency>