diff --git a/.travis.yml b/.travis.yml
index d5ab1de..8540831 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,9 +3,10 @@ language: go
 go:
   # - 1.7.x
   # - 1.8.x
-  - 1.9.x
-  - 1.10.x
+  # - 1.9.x
+  # - 1.10.x
   - 1.11.x
+  - 1.12.x
   # - tip
 
 addons:
diff --git a/appveyor.yml b/appveyor.yml
index 05aa585..f8a58b9 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -34,7 +34,7 @@ environment:
       PATH: C:\msys64\mingw32\bin\;C:\Program Files (x86)\NSIS\;%PATH%
   # - COMPILER: MINGW_W64
   #   ARCHITECTURE: x64
-  GOVERSION: 1.11.5
+  GOVERSION: 1.12
   # GOPATH: c:\gopath
 
 # scripts that run after cloning repository