diff --git a/samples/install-without-bom/pom.xml b/samples/install-without-bom/pom.xml
index 38eeb0a3c..5da5869e8 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
- 3.15.5
+ 3.15.6
diff --git a/samples/snapshot/pom.xml b/samples/snapshot/pom.xml
index 72842c12b..56609ea59 100644
--- a/samples/snapshot/pom.xml
+++ b/samples/snapshot/pom.xml
@@ -39,7 +39,7 @@
com.google.protobuf
protobuf-java-util
- 3.15.5
+ 3.15.6
junit