diff --git a/pkgs/development/compilers/ghc/8.6.1.nix b/pkgs/development/compilers/ghc/8.6.1.nix
index 36ef9d0cc73d..d4f2f931c31c 100644
--- a/pkgs/development/compilers/ghc/8.6.1.nix
+++ b/pkgs/development/compilers/ghc/8.6.1.nix
@@ -78,12 +78,12 @@ let
 
 in
 stdenv.mkDerivation (rec {
-  version = "8.6.0.20180810";
+  version = "8.6.1";
   name = "${targetPrefix}ghc-${version}";
 
   src = fetchurl {
-    url = "https://downloads.haskell.org/~ghc/8.6.1-beta1/ghc-${version}-src.tar.xz";
-    sha256 = "0b3nyjs4lsh67lfw7wh7r7kkf4g2xiypdxd77aycmwd3pdxj09yw";
+    url = "https://downloads.haskell.org/~ghc/${version}/ghc-${version}-src.tar.xz";
+    sha256 = "0dkh7idgrqr567fq94a0f5x3w0r4cm2ydn51nb5wfisw3rnw499c";
   };
 
   enableParallelBuilding = true;