diff --git a/src/emailservice/requirements.txt b/src/emailservice/requirements.txt
index 915ae35..358f385 100644
--- a/src/emailservice/requirements.txt
+++ b/src/emailservice/requirements.txt
@@ -8,10 +8,9 @@ cryptography==2.3.1
 entrypoints==0.2.3
 enum34==1.1.6
 futures==3.1.1
-google-api-core==1.4.0
-google-auth==1.5.1
-google-cloud-core==0.28.1
-google-cloud-trace==0.19.0
+google-api-core==1.6.0
+google-auth==1.6.1
+google-cloud-core==0.29.0
 googleapis-common-protos==1.5.3
 grpc-google-iam-v1==0.11.4
 grpcio==1.16.1
diff --git a/src/recommendationservice/requirements.txt b/src/recommendationservice/requirements.txt
index 54e9a43..656ed5c 100644
--- a/src/recommendationservice/requirements.txt
+++ b/src/recommendationservice/requirements.txt
@@ -3,12 +3,11 @@ certifi==2018.4.16
 chardet==3.0.4
 enum34==1.1.6
 futures==3.2.0
-google-api-core==1.2.1
+google-api-core==1.6.0
 google-api-python-client==1.7.4
-google-auth==1.5.0
+google-auth==1.6.1
 google-auth-httplib2==0.0.3
-google-cloud-core==0.28.1
-google-cloud-trace==0.19.0
+google-cloud-core==0.29.0
 google-python-cloud-debugger==2.8
 googleapis-common-protos==1.5.3
 grpcio==1.13.0