diff --git a/src/emailservice/requirements.txt b/src/emailservice/requirements.txt
index 2468ca98602..6a153123e33 100644
--- a/src/emailservice/requirements.txt
+++ b/src/emailservice/requirements.txt
@@ -30,7 +30,7 @@ google-auth-httplib2==0.0.4
     # via
     #   google-api-python-client
     #   google-cloud-profiler
-google-cloud-core==1.5.0
+google-cloud-core==1.7.2
     # via google-cloud-trace
 google-cloud-monitoring==2.9.1
     # via opencensus-ext-stackdriver
diff --git a/src/recommendationservice/requirements.txt b/src/recommendationservice/requirements.txt
index 56eca084256..300f9e26e65 100644
--- a/src/recommendationservice/requirements.txt
+++ b/src/recommendationservice/requirements.txt
@@ -35,7 +35,7 @@ google-auth-httplib2==0.0.4
     #   google-api-python-client
     #   google-cloud-profiler
     #   google-python-cloud-debugger
-google-cloud-core==1.5.0
+google-cloud-core==1.7.2
     # via google-cloud-trace
 google-cloud-monitoring==2.9.1
     # via opencensus-ext-stackdriver