diff --git a/appveyor.yml b/appveyor.yml
index c29f79d2..1eebc568 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -1,6 +1,6 @@
 image: Visual Studio 2017
 install:
-  - choco install gitversion.portable -pre -y --version 4.0.0-beta0012
+  - choco install gitversion.portable -pre -y --version 4.0.0
 before_build:
   - cmd: rm -r C:\Tools\GitVersion\
   - cmd: gitversion > version.json
diff --git a/build/travis.sh b/build/travis.sh
index 1f5070dc..df1ef996 100755
--- a/build/travis.sh
+++ b/build/travis.sh
@@ -4,8 +4,8 @@ set -e
 SCRIPT_DIR=$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )
 
 # Before we run the build, get gitversion and generate a version.json.
-nuget install GitVersion.CommandLine -Version 4.0.0-beta0012
-mono ./GitVersion.CommandLine.4.0.0-beta0012/tools/GitVersion.exe > version.json
+nuget install GitVersion.CommandLine -Version 4.0.0
+mono ./GitVersion.CommandLine.4.0.0/tools/GitVersion.exe > version.json
 
 if [ "$TRAVIS_OS_NAME" == "linux" ]; then