diff --git a/pkgs/applications/science/logic/why3/default.nix b/pkgs/applications/science/logic/why3/default.nix
index ab5006e424e1..11cd19188965 100644
--- a/pkgs/applications/science/logic/why3/default.nix
+++ b/pkgs/applications/science/logic/why3/default.nix
@@ -3,11 +3,11 @@
 
 stdenv.mkDerivation rec {
   pname = "why3";
-  version = "1.5.0";
+  version = "1.5.1";
 
   src = fetchurl {
     url = "https://why3.gitlabpages.inria.fr/releases/${pname}-${version}.tar.gz";
-    sha256 = "sha256:0qjh49pyqmg3xi09fn4lyzz23i6h18y9sgc8ayscvx3bwr3vcqhr";
+    sha256 = "sha256-vNR7WeiSvg+763GcovoZBFDfncekJMeqNegP4fVw06I=";
   };
 
   buildInputs = with ocamlPackages; [