diff --git a/.travis.yml b/.travis.yml
index b6074eb2d..7174414df 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,6 +3,6 @@ language: go
 script: go test -race -v ./...
 
 go:
-    - 1.7.5
-    - 1.8
+    - 1.7.x
+    - 1.8.x
     - tip
diff --git a/circle.yml b/circle.yml
index a5acd9cb2..ad9e45af3 100644
--- a/circle.yml
+++ b/circle.yml
@@ -2,7 +2,7 @@ machine:
   pre:
     - curl -sSL https://s3.amazonaws.com/circle-downloads/install-circleci-docker.sh | bash -s -- 1.10.0
     - sudo rm -rf /usr/local/go
-    - curl -sSL https://storage.googleapis.com/golang/go1.8.linux-amd64.tar.gz | sudo tar xz -C /usr/local
+    - curl -sSL https://storage.googleapis.com/golang/go1.8.3.linux-amd64.tar.gz | sudo tar xz -C /usr/local
   services:
     - docker