diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index ee14fc430f1b..2e8e1a47099f 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -39,7 +39,7 @@ repos:
         types: [python]
         entry: ./scripts/run_mypy.sh
   - repo: https://github.com/netromdk/vermin
-    rev: v1.4.2
+    rev: v1.5.1
     hooks:
       - id: vermin
         args: ['-t=3.6-', '--violations']
diff --git a/src/bindings/python/flux/util.py b/src/bindings/python/flux/util.py
index 2ca305c8d740..f753f5e2a910 100644
--- a/src/bindings/python/flux/util.py
+++ b/src/bindings/python/flux/util.py
@@ -30,8 +30,10 @@
 
 import yaml
 
+# tomllib added to standard library in Python 3.11
+# flux-core minimum is Python 3.6.
 try:
-    import tomllib
+    import tomllib  # novermin
 except ModuleNotFoundError:
     from flux.utils import tomli as tomllib