diff --git a/.ruff.toml b/.ruff.toml
index 550f27e61..af448e5b6 100644
--- a/.ruff.toml
+++ b/.ruff.toml
@@ -1,4 +1,4 @@
-target-version = "py311"
+target-version = "py310"
 fix = true
 output-format = "full"
 line-length = 88
diff --git a/_tools/generate_release_cycle.py b/_tools/generate_release_cycle.py
index ed27424dd..3a8fefec0 100644
--- a/_tools/generate_release_cycle.py
+++ b/_tools/generate_release_cycle.py
@@ -45,7 +45,7 @@ def __init__(self) -> None:
 
     def write_csv(self) -> None:
         """Output CSV files."""
-        now_str = str(dt.datetime.now(dt.UTC))
+        now_str = str(dt.datetime.now(dt.timezone.utc))
 
         versions_by_category = {"branches": {}, "end-of-life": {}}
         headers = None