diff --git a/pkgs/applications/science/chemistry/wxmacmolplt/default.nix b/pkgs/applications/science/chemistry/wxmacmolplt/default.nix
index 13bcf2d1dc66..e2a4fdf0cb18 100644
--- a/pkgs/applications/science/chemistry/wxmacmolplt/default.nix
+++ b/pkgs/applications/science/chemistry/wxmacmolplt/default.nix
@@ -11,13 +11,13 @@
 
 stdenv.mkDerivation rec {
   pname = "wxmacmolplt";
-  version = "7.7.2";
+  version = "7.7.3";
 
   src = fetchFromGitHub {
     owner = "brettbode";
     repo = pname;
     rev = "v${version}";
-    hash = "sha256-sNxCjIEJUrDWtcUqBQqvanNfgNQ7T4cabYy+x9D1U+Q=";
+    hash = "sha256-gFGstyq9bMmBaIS4QE6N3EIC9GxRvyJYUr8DUvwRQBc=";
   };
 
   nativeBuildInputs = [ pkg-config autoreconfHook ];