diff --git a/pkgs/development/haskell-modules/configuration-common.nix b/pkgs/development/haskell-modules/configuration-common.nix
index ce6e97d5cc25..20668d229f38 100644
--- a/pkgs/development/haskell-modules/configuration-common.nix
+++ b/pkgs/development/haskell-modules/configuration-common.nix
@@ -768,7 +768,7 @@ self: super: {
           owner = "haskell-servant";
           repo = "servant";
           rev = "v${ver}";
-          sha256 = "0fynv77m7rk79pdp535c2a2bd44csgr32zb4wqavbalr7grpxg4q";
+          sha256 = "09kjinnarf9q9l8irs46gcrai8bprq39n8pj43bmdv47hl38csa0";
         }}/doc";
         buildInputs = with pkgs.pythonPackages; [ sphinx recommonmark sphinx_rtd_theme ];
         makeFlags = "html";