diff --git a/Casks/gpower-3.rb b/Casks/gpower-3.rb
new file mode 100644
index 000000000..230be3f83
--- /dev/null
+++ b/Casks/gpower-3.rb
@@ -0,0 +1,7 @@
+class Gpower3 < Cask
+  url 'http://www.psycho.uni-duesseldorf.de/abteilungen/aap/gpower3/download-and-register/Dokumente/GPower3.1.7Mac.zip'
+  homepage 'http://www.psycho.uni-duesseldorf.de/abteilungen/aap/gpower3'
+  version '3.1.7'
+  sha1 '2fd5ba47a3d943fe35505a9a8e781f7b4c6231c6'
+  link 'G*Power 3.app'
+end