diff --git a/language/setup.py b/language/setup.py
index 0b7152fd89fd9..7180ed0b2cfb4 100644
--- a/language/setup.py
+++ b/language/setup.py
@@ -52,7 +52,7 @@
 
 REQUIREMENTS = [
     'google-cloud-core >= 0.26.0, < 0.27dev',
-    'google-gax >= 0.15.13, < 0.16dev',
+    'google-gax >= 0.15.14, < 0.16dev',
     'googleapis-common-protos[grpc] >= 1.5.2, < 2.0dev',
 ]
 EXTRAS_REQUIRE = {
diff --git a/speech/setup.py b/speech/setup.py
index 6587ceec47790..8bb1208572f33 100644
--- a/speech/setup.py
+++ b/speech/setup.py
@@ -53,7 +53,7 @@
 
 REQUIREMENTS = [
     'google-cloud-core >= 0.26.0, < 0.27dev',
-    'google-gax >= 0.15.13, < 0.16dev',
+    'google-gax >= 0.15.14, < 0.16dev',
     'googleapis-common-protos[grpc] >= 1.5.2, < 2.0dev',
 ]
 
diff --git a/videointelligence/setup.py b/videointelligence/setup.py
index a47f897e38554..3c7b64622a256 100644
--- a/videointelligence/setup.py
+++ b/videointelligence/setup.py
@@ -43,7 +43,7 @@
     packages=find_packages(exclude=('tests*',)),
     install_requires=(
         'googleapis-common-protos >= 1.5.2, < 2.0dev',
-        'google-gax >= 0.15.12, < 0.16dev',
+        'google-gax >= 0.15.14, < 0.16dev',
         'six >= 1.10.0',
     ),
     url='https://github.com/GoogleCloudPlatform/google-cloud-python',
diff --git a/vision/setup.py b/vision/setup.py
index 7567a30d0e53d..c4fbeaeaffabe 100644
--- a/vision/setup.py
+++ b/vision/setup.py
@@ -26,7 +26,7 @@
 
 REQUIREMENTS = [
     'google-cloud-core >= 0.26.0, < 0.27dev',
-    'google-gax >= 0.15.13, < 0.16dev',
+    'google-gax >= 0.15.14, < 0.16dev',
     'googleapis-common-protos[grpc] >= 1.5.2, < 2.0dev',
 ]
 EXTRAS_REQUIRE = {