diff --git a/ncl.spec b/ncl.spec
index fcd6f94..c4b4f53 100644
--- a/ncl.spec
+++ b/ncl.spec
@@ -9,7 +9,7 @@
 
 Name:           ncl
 Version:        6.6.2
-Release:        23%{?dist}
+Release:        24%{?dist}
 Summary:        NCAR Command Language and NCAR Graphics
 
 License:        BSD
@@ -190,7 +190,7 @@ FCOPTIONS="$RPM_OPT_FLAGS -fPIC -fno-second-underscore -fno-range-check -fopenmp
 %if 0%{?fedora} >= 32 || 0%{?rhel} >= 9
 FCOPTIONS="$FCOPTIONS -fallow-argument-mismatch -fcommon"
 %endif
-make Build CCOPTIONS="$RPM_OPT_FLAGS -std=c99 -fPIC -fno-strict-aliasing -fopenmp -fcommon" \
+make Build CCOPTIONS="$RPM_OPT_FLAGS -std=c99 -fPIC -fno-strict-aliasing -fopenmp -fcommon -DH5_USE_110_API" \
  F77=gfortran F77_LD=gfortran CTOFLIBS="-lgfortran" FCOPTIONS="$FCOPTIONS" COPT= FOPT=
 
 
@@ -359,6 +359,9 @@ done
 
 
 %changelog
+* Thu Nov 25 2021 Orion Poplawski <orion@nwra.com> - 6.6.2-24
+- Rebuild for hdf5 1.12.1
+
 * Thu Nov 11 2021 Sandro Mani <manisandro@gmail.com> - 6.6.2-23
 - Rebuild (gdal)