diff --git a/pkgs/applications/science/logic/why3/default.nix b/pkgs/applications/science/logic/why3/default.nix
index 93cff7b35fde..141bdcb9c306 100644
--- a/pkgs/applications/science/logic/why3/default.nix
+++ b/pkgs/applications/science/logic/why3/default.nix
@@ -8,7 +8,7 @@
   rubber,
   hevea,
   emacs,
-  version ? "1.8.0",
+  version ? "1.8.1",
   ideSupport ? true,
   wrapGAppsHook3,
 }:
@@ -21,7 +21,7 @@ stdenv.mkDerivation rec {
     url = "https://why3.gitlabpages.inria.fr/releases/${pname}-${version}.tar.gz";
     hash =
       {
-        "1.8.0" = "sha256-gDe4OI0AuoYmJSCg/SMRQYcgelX/SM28ClQfKhnw88E=";
+        "1.8.1" = "sha256-RSj89bP8ZBdTQM7x5cpJTsk55SIXlc2SXMQj6Q1GFW8=";
         "1.7.2" = "sha256-VaSG/FiO2MDdSSFXGJJrIylQx0LPwtT8AF7TpPVZhCQ=";
         "1.6.0" = "sha256-hFvM6kHScaCtcHCc6Vezl9CR7BFbiKPoTEh7kj0ZJxw=";
       }