diff --git a/samples/install-without-bom/pom.xml b/samples/install-without-bom/pom.xml
index f59c0e95..001c1e6f 100644
--- a/samples/install-without-bom/pom.xml
+++ b/samples/install-without-bom/pom.xml
@@ -41,7 +41,7 @@
com.google.protobuf
protobuf-java-util
- 3.15.1
+ 3.15.3
diff --git a/samples/snapshot/pom.xml b/samples/snapshot/pom.xml
index 65e27dae..6b6b1bf4 100644
--- a/samples/snapshot/pom.xml
+++ b/samples/snapshot/pom.xml
@@ -39,7 +39,7 @@
com.google.protobuf
protobuf-java-util
- 3.15.1
+ 3.15.3
junit