diff --git a/dependencies.properties b/dependencies.properties
index 3ca056261..1f700051f 100644
--- a/dependencies.properties
+++ b/dependencies.properties
@@ -25,7 +25,7 @@ version.gax_httpjson=0.72.0
 # with the sources.
 version.com_google_protobuf=3.11.4
 version.google_java_format=1.1
-version.io_grpc=1.27.2
+version.io_grpc=1.28.1
 
 # Maven artifacts.
 # Note, the actual name of each property matters (bazel build scripts depend on it).