diff --git a/pkgs/tools/misc/hdf5/default.nix b/pkgs/tools/misc/hdf5/default.nix
index 39c0b680b002..89702cfd1a7f 100644
--- a/pkgs/tools/misc/hdf5/default.nix
+++ b/pkgs/tools/misc/hdf5/default.nix
@@ -27,7 +27,7 @@ assert !cppSupport || !mpiSupport;
 let inherit (lib) optional optionals; in
 
 stdenv.mkDerivation rec {
-  version = "1.14.2";
+  version = "1.14.3";
   pname = "hdf5"
     + lib.optionalString cppSupport "-cpp"
     + lib.optionalString fortranSupport "-fortran"
@@ -41,7 +41,7 @@ stdenv.mkDerivation rec {
         majorMinorPatch = with lib.versions; "${major version}.${minor version}.${patch version}";
       in
       "https://support.hdfgroup.org/ftp/HDF5/releases/hdf5-${majorMinor}/hdf5-${majorMinorPatch}/src/hdf5-${version}.tar.bz2";
-    sha256 = "sha256-6jxeJX7zIq9ed/weUurTrWvzu0rAZIDdF+45ANeiTPs=";
+    sha256 = "sha256-lCXyJO110SgLtG1vJpI92Tj5BA5+rr9X5m7HNXwI+Rc=";
   };
 
   passthru = {