diff --git a/pkgs/development/libraries/netcdf-fortran/default.nix b/pkgs/development/libraries/netcdf-fortran/default.nix
index 8af2a7aa3682..bb621a3eda6c 100644
--- a/pkgs/development/libraries/netcdf-fortran/default.nix
+++ b/pkgs/development/libraries/netcdf-fortran/default.nix
@@ -1,11 +1,11 @@
 { stdenv, fetchurl, netcdf, hdf5, curl, gfortran }:
 stdenv.mkDerivation rec {
   name = "netcdf-fortran-${version}";
-  version = "4.4.4";
+  version = "4.4.5";
 
   src = fetchurl {
     url = "https://github.com/Unidata/netcdf-fortran/archive/v${version}.tar.gz";
-    sha256 = "0rwybszj1jjb25cx8vfyrd77x5qsdjzwspcjz56n12br89n9ica4";
+    sha256 = "00qwg4v250yg8kxp68srrnvfbfim241fnlm071p9ila2mihk8r01";
   };
 
   buildInputs = [ netcdf hdf5 curl gfortran ];