diff --git a/samples/install-without-bom/pom.xml b/samples/install-without-bom/pom.xml
index 9d987f5a8..826dadc41 100644
--- a/samples/install-without-bom/pom.xml
+++ b/samples/install-without-bom/pom.xml
@@ -58,7 +58,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-core</artifactId>
-      <version>2.8.3</version>
+      <version>2.8.4</version>
       <scope>test</scope>
       <classifier>tests</classifier>
     </dependency>
diff --git a/samples/snapshot/pom.xml b/samples/snapshot/pom.xml
index 4e0d07f77..844c0f770 100644
--- a/samples/snapshot/pom.xml
+++ b/samples/snapshot/pom.xml
@@ -52,7 +52,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-core</artifactId>
-      <version>2.8.3</version>
+      <version>2.8.4</version>
       <scope>test</scope>
       <classifier>tests</classifier>
     </dependency>
diff --git a/samples/snippets/pom.xml b/samples/snippets/pom.xml
index 5400415fd..5480e9820 100644
--- a/samples/snippets/pom.xml
+++ b/samples/snippets/pom.xml
@@ -63,7 +63,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-core</artifactId>
-      <version>2.8.3</version>
+      <version>2.8.4</version>
       <scope>test</scope>
       <classifier>tests</classifier>
     </dependency>