diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 56c6de1f..dca3c646 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -1,12 +1,12 @@
 exclude: ^python/tests/__snapshots__/
 repos:
   - repo: https://github.com/astral-sh/ruff-pre-commit
-    rev: v0.12.11
+    rev: v0.14.3
     hooks:
       - id: ruff-check
         args: [--fix]
       - id: ruff-format
   - repo: https://github.com/astral-sh/uv-pre-commit
-    rev: 0.8.14
+    rev: 0.9.7
     hooks:
       - id: uv-lock
diff --git a/python/egglog/egraph.py b/python/egglog/egraph.py
index a0b1cbd5..874244f4 100644
--- a/python/egglog/egraph.py
+++ b/python/egglog/egraph.py
@@ -1883,7 +1883,7 @@ def run(ruleset: Ruleset | None = None, *until: FactLike, scheduler: BackOff | N
         Thunk.fn(Declarations.create, ruleset, *facts),
         RunDecl(
             ruleset.__egg_ident__ if ruleset else Ident(""),
-            tuple(f.fact for f in facts) or None,
+            tuple(f.fact for f in facts),
             scheduler.scheduler if scheduler else None,
         ),
     )