diff --git a/.travis.yml b/.travis.yml
index c121a7025..0843e1143 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,7 +1,7 @@
 language: go
 
 go:
-  - 1.6.2
+  - 1.6.3
   - tip
 
 env:
@@ -24,7 +24,7 @@ script:
   - diff <(echo -n) <(gofmt -s -d .)
   - ineffassign .
   - go vet ./...
-  - go test ./...
+  - go test -race ./...
 
 after_script:
   - golint ./...
diff --git a/appveyor.yml b/appveyor.yml
index 436881033..2b327fb48 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -10,8 +10,8 @@ environment:
 
 install:
   - rmdir c:\go /s /q
-  - appveyor DownloadFile https://storage.googleapis.com/golang/go1.6.2.windows-amd64.zip
-  - 7z x go1.6.2.windows-amd64.zip -y -oC:\ > NUL
+  - appveyor DownloadFile https://storage.googleapis.com/golang/go1.6.3.windows-amd64.zip
+  - 7z x go1.6.3.windows-amd64.zip -y -oC:\ > NUL
   - go version
   - go env
   - go get -t ./...
@@ -23,7 +23,7 @@ build: off
 
 test_script:
   - go vet ./...
-  - go test ./...
+  - go test -race ./...
   - ineffassign .
 
 after_test: