diff --git a/requirements.txt b/requirements.txt
index 55ce00b..ff2a858 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,12 +7,12 @@
 cachetools==3.1.1         # via google-auth
 certifi==2019.3.9         # via requests
 chardet==3.0.4            # via requests
-google-api-core==1.11.0   # via google-cloud-core, google-cloud-storage
+google-api-core==1.14.3   # via google-cloud-core
 google-api-python-client==1.7.9
 google-auth-httplib2==0.0.3  # via google-api-python-client
 google-auth==1.6.3        # via google-api-core, google-api-python-client, google-auth-httplib2, google-cloud-storage
-google-cloud-core==1.0.0  # via google-cloud-storage
-google-cloud-storage==1.16.0
+google-cloud-core==1.0.3  # via google-cloud-storage
+google-cloud-storage==1.22.0
 google-resumable-media==0.3.2  # via google-cloud-storage
 googleapis-common-protos==1.6.0  # via google-api-core
 httplib2==0.12.3          # via google-api-python-client, google-auth-httplib2
@@ -30,4 +30,4 @@ uritemplate==3.0.0        # via google-api-python-client
 urllib3==1.25.3           # via requests
 
 # The following packages are considered to be unsafe in a requirements file:
-# setuptools==41.1.0        # via google-api-core, protobuf
+# setuptools==41.6.0        # via google-api-core, protobuf
diff --git a/sample/requirements.txt b/sample/requirements.txt
index f5bf4f2..52414a8 100644
--- a/sample/requirements.txt
+++ b/sample/requirements.txt
@@ -9,12 +9,12 @@ certifi==2019.6.16        # via requests
 chardet==3.0.4            # via requests
 click==7.0                # via flask
 flask==1.1.1
-google-api-core==1.13.0   # via google-cloud-core
+google-api-core==1.14.3   # via google-cloud-core
 google-api-python-client==1.7.9  # via gumo-core
 google-auth-httplib2==0.0.3  # via google-api-python-client
 google-auth==1.6.3        # via google-api-core, google-api-python-client, google-auth-httplib2, google-cloud-storage
-google-cloud-core==1.0.2  # via google-cloud-storage
-google-cloud-storage==1.16.1  # via gumo-core
+google-cloud-core==1.0.3  # via google-cloud-storage
+google-cloud-storage==1.22.0  # via gumo-core
 google-resumable-media==0.3.2  # via google-cloud-storage
 googleapis-common-protos==1.6.0  # via google-api-core
 gumo-core==0.1.3
@@ -37,4 +37,4 @@ urllib3==1.25.3           # via requests
 werkzeug==0.15.4          # via flask
 
 # The following packages are considered to be unsafe in a requirements file:
-# setuptools==41.1.0        # via google-api-core, protobuf
+# setuptools==41.6.0        # via google-api-core, protobuf