diff --git a/pkgs/applications/science/logic/proverif/default.nix b/pkgs/applications/science/logic/proverif/default.nix
index 57220aa523cf..5cd0e5ff9e39 100644
--- a/pkgs/applications/science/logic/proverif/default.nix
+++ b/pkgs/applications/science/logic/proverif/default.nix
@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation rec {
   pname = "proverif";
-  version = "2.04";
+  version = "2.05";
 
   src = fetchurl {
     url    = "https://bblanche.gitlabpages.inria.fr/proverif/proverif${version}.tar.gz";
-    sha256 = "sha256:0xgwnp59779xc40sb7ck8rmfn620pilxyq79l3bymj9m7z0mwvm9";
+    hash = "sha256-SHH1PDKrSgRmmgYMSIa6XZCASWlj+5gKmmLSxCnOq8Q=";
   };
 
   strictDeps = true;