diff --git a/ghc-mod.cabal b/ghc-mod.cabal
index 105a1f5..e1876f1 100644
--- a/ghc-mod.cabal
+++ b/ghc-mod.cabal
@@ -251,4 +251,4 @@ Test-Suite spec
 
 Source-Repository head
   Type:                 git
-  Location:             git://github.com/kazu-yamamoto/ghc-mod.git
+  Location:             https://github.com/kazu-yamamoto/ghc-mod.git