diff --git a/easystacks/software.eessi.io/2023.06/eessi-2023.06-eb-5.1.0-2023a.yml b/easystacks/software.eessi.io/2023.06/eessi-2023.06-eb-5.1.0-2023a.yml
new file mode 100644
index 00000000..386a1e89
--- /dev/null
+++ b/easystacks/software.eessi.io/2023.06/eessi-2023.06-eb-5.1.0-2023a.yml
@@ -0,0 +1,5 @@
+easyconfigs:
+  - jax-0.4.25-gfbf-2023a.eb:
+      options:
+        # see https://github.com/easybuilders/easybuild-easyblocks/pull/3486
+        include-easyblocks-from-commit: 59fd120c0e5330ff7266ca7aacd105d09be4389a
diff --git a/eb_hooks.py b/eb_hooks.py
index e20ef2e4..c5ded8da 100644
--- a/eb_hooks.py
+++ b/eb_hooks.py
@@ -1399,4 +1399,7 @@ def set_maximum(parallel, max_value):
     'Qt5': {
         CPU_TARGET_A64FX: (set_maximum, 8),
     },
+    'jax': {
+        '*': (divide_by_factor, 2),
+    },
 }