diff --git a/pkgs/applications/science/molecular-dynamics/gromacs/default.nix b/pkgs/applications/science/molecular-dynamics/gromacs/default.nix
index d345827ed4eb..151abb099f5b 100644
--- a/pkgs/applications/science/molecular-dynamics/gromacs/default.nix
+++ b/pkgs/applications/science/molecular-dynamics/gromacs/default.nix
@@ -9,11 +9,11 @@
 }:
 
 stdenv.mkDerivation {
-  name = "gromacs-2020.2";
+  name = "gromacs-2020.3";
 
   src = fetchurl {
-    url = "ftp://ftp.gromacs.org/pub/gromacs/gromacs-2020.2.tar.gz";
-    sha256 = "1wyjgcdl30wy4hy6jvi9lkq53bqs9fgfq6fri52dhnb3c76y8rbl";
+    url = "ftp://ftp.gromacs.org/pub/gromacs/gromacs-2020.3.tar.gz";
+    sha256 = "1acjrhcfzpqy2dncblhj97602jbg9gdha4q1bgji9nrj25lq6cch";
   };
 
   nativeBuildInputs = [ cmake ];