diff --git a/samples/hello_happybase/requirements.txt b/samples/hello_happybase/requirements.txt
index 05aee4625..f0c91e09b 100644
--- a/samples/hello_happybase/requirements.txt
+++ b/samples/hello_happybase/requirements.txt
@@ -1,3 +1,3 @@
 google-cloud-happybase==0.26.0
 google-cloud-bigtable==0.27.0
-google-cloud-core==0.27.0
+google-cloud-core==0.27.1