diff --git a/pkgs/applications/science/chemistry/mopac/default.nix b/pkgs/applications/science/chemistry/mopac/default.nix
index d2b2b558bb78..c0cdc4eff410 100644
--- a/pkgs/applications/science/chemistry/mopac/default.nix
+++ b/pkgs/applications/science/chemistry/mopac/default.nix
@@ -12,13 +12,13 @@ assert blas.isILP64 == lapack.isILP64;
 
 stdenv.mkDerivation rec {
   pname = "mopac";
-  version = "22.0.6";
+  version = "22.1.0";
 
   src = fetchFromGitHub {
     owner = "openmopac";
     repo = pname;
     rev = "v${version}";
-    hash = "sha256-j4AP3tki+Ep9Pv+pDg8TwCiJvpF2j5npW3Kpat+7gGg=";
+    hash = "sha256-4jQ0WCHK07CXWUPj5Z1zSXObKxnitMj+FJQbLDiS2Dc=";
   };
 
   nativeBuildInputs = [ gfortran cmake ];