diff --git a/appveyor.yml b/appveyor.yml
index 7865efd..d2f2e40 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: 1.12.9
+  GOVERSION: 1.13
   # GOPATH: c:\gopath
 
 # scripts that run after cloning repository