diff --git a/.travis.yml b/.travis.yml
index 9f559ae7e..b4b2f1717 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -9,19 +9,23 @@ osx_image: xcode8
 
 env:
   - GITHUB_TOKEN=a27573e27bea23fb05393ead69511b09e3b224be
+
 cache:
   directories:
     - $HOME/.dotnet
     - $HOME/.nuget
+
 addons:
   artifacts:
     s3_region: "us-west-2"
     paths: $(ls powershell*{deb,pkg} | tr "\n" ":")
+
 git:
   submodules: false
+
 install:
   - git config --global url.git@github.com:.insteadOf https://github.com/
   - git submodule update --init
   - (cd tools && ./download.sh)
-script:
-  - ulimit -n 4096; powershell -c "Import-Module ./build.psm1; Start-PSBootstrap -Package; Start-PSBuild -Publish; Start-PSPackage; Start-PSPester; Start-PSxUnit"
+
+script: ./tools/travis.sh
diff --git a/tools/travis.sh b/tools/travis.sh
new file mode 100755
index 000000000..bcbc560a1
--- /dev/null
+++ b/tools/travis.sh
@@ -0,0 +1,7 @@
+ulimit -n 4096
+# Only build packages for branches, not pull requests
+if [[ $TRAVIS_PULL_REQUEST == false ]]; then
+    powershell -c "Import-Module ./build.psm1; Start-PSBootstrap -Package; Start-PSBuild -Publish; Start-PSPackage; Start-PSPester; Start-PSxUnit"
+else
+    powershell -c "Import-Module ./build.psm1; Start-PSBootstrap; Start-PSBuild; Start-PSPester; Start-PSxUnit"
+fi