diff --git a/samples/install-without-bom/pom.xml b/samples/install-without-bom/pom.xml
index c7c49a71..b7415b6c 100644
--- a/samples/install-without-bom/pom.xml
+++ b/samples/install-without-bom/pom.xml
@@ -36,7 +36,7 @@
com.google.cloud
google-cloud-core
- 2.3.0
+ 2.3.1
junit
diff --git a/samples/snapshot/pom.xml b/samples/snapshot/pom.xml
index a678d53b..e3dda17d 100644
--- a/samples/snapshot/pom.xml
+++ b/samples/snapshot/pom.xml
@@ -35,7 +35,7 @@
com.google.cloud
google-cloud-core
- 2.3.0
+ 2.3.1
junit