diff --git a/pkgs/by-name/lp/lpairs2/package.nix b/pkgs/by-name/lp/lpairs2/package.nix
index a7ecd6c0f3c9..99a74382569a 100644
--- a/pkgs/by-name/lp/lpairs2/package.nix
+++ b/pkgs/by-name/lp/lpairs2/package.nix
@@ -10,11 +10,11 @@
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "lpairs2";
-  version = "2.3";
+  version = "2.3.1";
 
   src = fetchurl {
     url = "mirror://sourceforge/lgames/lpairs2-${finalAttrs.version}.tar.gz";
-    hash = "sha256-gw1BNkcztyTuoXRdx5+TBZNJEJNrLCfEUCQ1JzROogA=";
+    hash = "sha256-ES5RGr817vc8t2DFNeETTqrm0uwk3JuTypSZjXK86Bg=";
   };
 
   buildInputs = [