diff --git a/google-cloud-speech/setup.py b/google-cloud-speech/setup.py
index 6587ceec4779..8bb1208572f3 100644
--- a/google-cloud-speech/setup.py
+++ b/google-cloud-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',
 ]