diff --git a/pkgs/development/compilers/ghc/8.10.1.nix b/pkgs/development/compilers/ghc/8.10.1.nix
index b68e48025512..314b2fea9c75 100644
--- a/pkgs/development/compilers/ghc/8.10.1.nix
+++ b/pkgs/development/compilers/ghc/8.10.1.nix
@@ -86,12 +86,12 @@ let
 
 in
 stdenv.mkDerivation (rec {
-  version = "8.10.0.20200108";
+  version = "8.10.0.20200123";
   name = "${targetPrefix}ghc-${version}";
 
   src = fetchurl {
     url = "https://downloads.haskell.org/ghc/8.10.1-rc1/ghc-${version}-src.tar.xz";
-    sha256 = "1xm6cb3s2x3rycnyvkh12mp65xi3zbwrk5ima8sg7c245f3dl0ay";
+    sha256 = "162s5g33s918i12qfcqdj5wanc10xg07g5lq3gpm5j7c1v0y1zrf";
   };
 
   enableParallelBuilding = true;