diff --git a/samples/pom.xml b/samples/pom.xml
index 4e8991b10..181f8a0c0 100644
--- a/samples/pom.xml
+++ b/samples/pom.xml
@@ -43,7 +43,7 @@
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>libraries-bom</artifactId>
-        <version>3.5.0</version>
+        <version>4.0.0</version>
         <type>pom</type>
         <scope>import</scope>
       </dependency>