diff --git a/pkgs/applications/science/molecular-dynamics/gromacs/default.nix b/pkgs/applications/science/molecular-dynamics/gromacs/default.nix
index 69810f95b846..b3a3eb2bd2a8 100644
--- a/pkgs/applications/science/molecular-dynamics/gromacs/default.nix
+++ b/pkgs/applications/science/molecular-dynamics/gromacs/default.nix
@@ -19,11 +19,11 @@ let
 
 in stdenv.mkDerivation rec {
   pname = "gromacs";
-  version = "2022";
+  version = "2022.1";
 
   src = fetchurl {
     url = "ftp://ftp.gromacs.org/pub/gromacs/gromacs-${version}.tar.gz";
-    sha256 = "0s1bv8nvmdpiyk2yhcmzq8q936hm5jgnqb393101drh2dih0vmps";
+    sha256 = "sha256-hd2rUZfXlSSnAsSVnCxDvodeD8Rx3zo1Ikk53OhRJFA=";
   };
 
   nativeBuildInputs = [ cmake ];