diff --git a/.github/workflows/netcdf.yml b/.github/workflows/netcdf.yml
index 6b752bcf7..0733ffef6 100644
--- a/.github/workflows/netcdf.yml
+++ b/.github/workflows/netcdf.yml
@@ -45,6 +45,8 @@ jobs:
       with:
         repository: HDFGroup/hdf5
         path: hdf5
+        ref: hdf5_1.14.5
+
     - name: Install HDF5
       run: |
         cd hdf5
diff --git a/configure.ac b/configure.ac
index c842d27c7..f4720a6ca 100644
--- a/configure.ac
+++ b/configure.ac
@@ -24,7 +24,7 @@
 ## NOTE: Do not forget to change the version number here when we do a
 ## release!!!
 ##
-AC_INIT([HDF], [4.2.17-1], [help@hdfgroup.org])
+AC_INIT([HDF], [4.3.1-1], [help@hdfgroup.org])
 
 AC_CONFIG_SRCDIR([hdf/src/atom.c])
 AC_CONFIG_HEADERS([hdf/src/h4config.h])