diff --git a/samples/install-without-bom/pom.xml b/samples/install-without-bom/pom.xml
index f5f4ee888..54067e224 100644
--- a/samples/install-without-bom/pom.xml
+++ b/samples/install-without-bom/pom.xml
@@ -80,7 +80,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-core</artifactId>
-      <version>2.65.0</version>
+      <version>2.66.0</version>
       <classifier>tests</classifier>
     </dependency>
     <dependency>
diff --git a/samples/snapshot/pom.xml b/samples/snapshot/pom.xml
index 8fab1a99f..7a7664bac 100644
--- a/samples/snapshot/pom.xml
+++ b/samples/snapshot/pom.xml
@@ -79,7 +79,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-core</artifactId>
-      <version>2.65.0</version>
+      <version>2.66.0</version>
       <classifier>tests</classifier>
     </dependency>
     <dependency>
diff --git a/samples/snippets/pom.xml b/samples/snippets/pom.xml
index 42f69ff4a..a36dd6e58 100644
--- a/samples/snippets/pom.xml
+++ b/samples/snippets/pom.xml
@@ -103,7 +103,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-core</artifactId>
-      <version>2.65.0</version>
+      <version>2.66.0</version>
       <classifier>tests</classifier>
     </dependency>
     <!-- [END_EXCLUDE] -->