diff --git a/.github/workflows/run_tests_ubuntu.yml b/.github/workflows/run_tests_ubuntu.yml
index 22377985ef..eb410325a7 100644
--- a/.github/workflows/run_tests_ubuntu.yml
+++ b/.github/workflows/run_tests_ubuntu.yml
@@ -14,7 +14,7 @@ jobs:
 
     strategy:
       matrix:
-        hdf5: [ 1.8.21, 1.10.8, 1.12.1 ]
+        hdf5: [ 1.8.22, 1.10.8, 1.12.1 ]
 
     steps:
 
@@ -61,7 +61,7 @@ jobs:
 
     strategy:
       matrix:
-        hdf5: [ 1.8.21, 1.10.8, 1.12.1 ]
+        hdf5: [ 1.8.22, 1.10.8, 1.12.1 ]
         use_nc4: [ nc3, nc4 ]
         use_dap: [ dap_off, dap_on ]
         use_nczarr: [ nczarr_off, nczarr_on ]
@@ -168,7 +168,7 @@ jobs:
 
     strategy:
       matrix:
-        hdf5: [ 1.8.21, 1.10.8, 1.12.1 ]
+        hdf5: [ 1.8.22, 1.10.8, 1.12.1 ]
         use_nc4: [ nc3, nc4 ]
         use_dap: [ dap_off, dap_on ]
         use_nczarr: [ nczarr_off, nczarr_on ]