1 files changed, 8 insertions, 3 deletions
diff --git a/pkgs/applications/science/logic/why3/default.nix b/pkgs/applications/science/logic/why3/default.nix
index df8be359d123..f0567fdda3b6 100644
--- a/pkgs/applications/science/logic/why3/default.nix
+++ b/pkgs/applications/science/logic/why3/default.nix
@@ -1,13 +1,18 @@
 { callPackage, fetchurl, lib, stdenv
-, ocamlPackages, coqPackages, rubber, hevea, emacs }:
+, ocamlPackages, coqPackages, rubber, hevea, emacs
+, version ? "1.7.0"
+}:
 
 stdenv.mkDerivation rec {
   pname = "why3";
-  version = "1.6.0";
+  inherit version;
 
   src = fetchurl {
     url = "https://why3.gitlabpages.inria.fr/releases/${pname}-${version}.tar.gz";
-    hash = "sha256-hFvM6kHScaCtcHCc6Vezl9CR7BFbiKPoTEh7kj0ZJxw=";
+    hash = {
+      "1.7.0" = "sha256-rygrjzuJVukOvpuXTG/yeoEP98ZFkLQHObgc3My1PVY=";
+      "1.6.0" = "sha256-hFvM6kHScaCtcHCc6Vezl9CR7BFbiKPoTEh7kj0ZJxw=";
+    }."${version}";
   };
 
   strictDeps = true;