diff --git a/pkgs/applications/science/chemistry/jmol/default.nix b/pkgs/applications/science/chemistry/jmol/default.nix
index 55e3dd1f6e2e..5b6854a1d354 100644
--- a/pkgs/applications/science/chemistry/jmol/default.nix
+++ b/pkgs/applications/science/chemistry/jmol/default.nix
@@ -31,7 +31,7 @@ let
   };
 in
 stdenv.mkDerivation rec {
-  version = "16.3.17";
+  version = "16.3.23";
   pname = "jmol";
 
   src =
@@ -40,7 +40,7 @@ stdenv.mkDerivation rec {
     in
     fetchurl {
       url = "mirror://sourceforge/jmol/Jmol/Version%20${baseVersion}/Jmol%20${version}/Jmol-${version}-binary.tar.gz";
-      hash = "sha256-5L9+JGVHKwgW9bOX/Xm/fQUOisO7aivWhhBdQaNpzyk=";
+      hash = "sha256-qZDkEsdl1kxwyavtBv9N8E33WSGJoe82w4v8x8v9SPs=";
     };
 
   patchPhase = ''