diff --git a/samples/install-without-bom/pom.xml b/samples/install-without-bom/pom.xml
index 0d38d3809..3baaaaaba 100644
--- a/samples/install-without-bom/pom.xml
+++ b/samples/install-without-bom/pom.xml
@@ -75,7 +75,7 @@
     <dependency>
       <groupId>com.google.protobuf</groupId>
       <artifactId>protobuf-java-util</artifactId>
-      <version>4.27.4</version>
+      <version>4.28.0</version>
     </dependency>
     <dependency>
       <groupId>com.google.cloud</groupId>
diff --git a/samples/snapshot/pom.xml b/samples/snapshot/pom.xml
index e3c42ecb2..c47b50709 100644
--- a/samples/snapshot/pom.xml
+++ b/samples/snapshot/pom.xml
@@ -61,7 +61,7 @@
     <dependency>
       <groupId>com.google.protobuf</groupId>
       <artifactId>protobuf-java-util</artifactId>
-      <version>4.27.4</version>
+      <version>4.28.0</version>
     </dependency>
 
     <dependency>
diff --git a/samples/snippets/pom.xml b/samples/snippets/pom.xml
index 5a0f18673..b5255702d 100644
--- a/samples/snippets/pom.xml
+++ b/samples/snippets/pom.xml
@@ -80,7 +80,7 @@
     <dependency>
       <groupId>com.google.protobuf</groupId>
       <artifactId>protobuf-java-util</artifactId>
-      <version>4.27.4</version>
+      <version>4.28.0</version>
     </dependency>
 
     <dependency>