diff --git a/java-bigqueryconnection/samples/install-without-bom/pom.xml b/java-bigqueryconnection/samples/install-without-bom/pom.xml
index b1f51f3385ea..1309c3fe6c91 100644
--- a/java-bigqueryconnection/samples/install-without-bom/pom.xml
+++ b/java-bigqueryconnection/samples/install-without-bom/pom.xml
@@ -36,7 +36,7 @@
com.google.protobuf
protobuf-java-util
- 3.21.2
+ 3.21.3
junit
diff --git a/java-bigqueryconnection/samples/snapshot/pom.xml b/java-bigqueryconnection/samples/snapshot/pom.xml
index 931c26af3057..44e4d2bc0c68 100644
--- a/java-bigqueryconnection/samples/snapshot/pom.xml
+++ b/java-bigqueryconnection/samples/snapshot/pom.xml
@@ -35,7 +35,7 @@
com.google.protobuf
protobuf-java-util
- 3.21.2
+ 3.21.3
junit
diff --git a/java-bigqueryconnection/samples/snippets/pom.xml b/java-bigqueryconnection/samples/snippets/pom.xml
index de1b8d3354cf..cc7e14029b37 100644
--- a/java-bigqueryconnection/samples/snippets/pom.xml
+++ b/java-bigqueryconnection/samples/snippets/pom.xml
@@ -46,7 +46,7 @@
com.google.protobuf
protobuf-java-util
- 3.21.2
+ 3.21.3
junit