diff --git a/samples/install-without-bom/pom.xml b/samples/install-without-bom/pom.xml
index 8a07671d9..ad98bc3cf 100644
--- a/samples/install-without-bom/pom.xml
+++ b/samples/install-without-bom/pom.xml
@@ -75,7 +75,7 @@
com.google.protobuf
protobuf-java-util
- 3.15.3
+ 3.15.5
com.google.cloud
diff --git a/samples/snapshot/pom.xml b/samples/snapshot/pom.xml
index e8df69282..9775c65b9 100644
--- a/samples/snapshot/pom.xml
+++ b/samples/snapshot/pom.xml
@@ -61,7 +61,7 @@
com.google.protobuf
protobuf-java-util
- 3.15.3
+ 3.15.5
diff --git a/samples/snippets/pom.xml b/samples/snippets/pom.xml
index a8050168f..6fee58094 100644
--- a/samples/snippets/pom.xml
+++ b/samples/snippets/pom.xml
@@ -72,7 +72,7 @@
com.google.protobuf
protobuf-java-util
- 3.15.3
+ 3.15.5