diff --git a/samples/install-without-bom/pom.xml b/samples/install-without-bom/pom.xml
index 76ecdd3b2..b1c109695 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>2.8.5</version>
+      <version>2.8.6</version>
       <scope>test</scope>
       <classifier>tests</classifier>
     </dependency>
diff --git a/samples/snapshot/pom.xml b/samples/snapshot/pom.xml
index d5a1adf1a..a0afa4a0b 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>2.8.5</version>
+      <version>2.8.6</version>
       <scope>test</scope>
       <classifier>tests</classifier>
     </dependency>
diff --git a/samples/snippets/pom.xml b/samples/snippets/pom.xml
index 54604fad8..8e18214e3 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>2.8.5</version>
+      <version>2.8.6</version>
       <scope>test</scope>
       <classifier>tests</classifier>
     </dependency>