diff --git a/.travis.yml b/.travis.yml
index 0b37a1fce4..b8cdb0a43d 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -54,7 +54,7 @@ install:
   - pip install yamllint==1.17.0
   # TensorBoard deps.
   - pip install futures==3.1.1
-  - pip install grpcio==1.6.3
+  - pip install grpcio==1.24.3
   - pip install grpcio-testing==1.24.3
   - pip install 'google-auth >= 1.6.3, < 2'
   - pip install 'google-auth-oauthlib >= 0.4.1, < 0.5'
diff --git a/tensorboard/pip_package/setup.py b/tensorboard/pip_package/setup.py
index 2105e24ee2..b7b883b8c9 100644
--- a/tensorboard/pip_package/setup.py
+++ b/tensorboard/pip_package/setup.py
@@ -26,7 +26,7 @@
     'absl-py >= 0.4',
     # futures is a backport of the python 3.2+ concurrent.futures module
     'futures >= 3.1.1; python_version < "3"',
-    'grpcio >= 1.6.3',
+    'grpcio >= 1.24.3',
     'google-auth >= 1.6.3, < 2',
     'google-auth-oauthlib >= 0.4.1, < 0.5',
     'markdown >= 2.6.8',