diff --git a/.travis.yml b/.travis.yml
index de0337b..7f925fb 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -32,8 +32,8 @@ matrix:
     - os: osx
       go: 1.12.x
     - os: linux
-      dist: xenial
-      go: 1.12.x
+      dist: bionic
+      go: 1.13.x
       services:
         - docker
       env:
diff --git a/appveyor.yml b/appveyor.yml
index 73a9664..595fd34 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -22,8 +22,8 @@ environment:
 
 install:
   - rmdir C:\go /s /q
-  - appveyor DownloadFile https://storage.googleapis.com/golang/go1.12.9.windows-%GOARCH%.zip
-  - 7z x go1.12.9.windows-%GOARCH%.zip -y -oC:\ > NUL
+  - appveyor DownloadFile https://storage.googleapis.com/golang/go1.13.4.windows-%GOARCH%.zip
+  - 7z x go1.13.4.windows-%GOARCH%.zip -y -oC:\ > NUL
   - go version
   - gcc --version