diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index cfc59449..72e79195 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -15,7 +15,7 @@ repos:
 # Run ruff to lint and format
 - repo: https://github.com/astral-sh/ruff-pre-commit
   # Ruff version.
-  rev: v0.7.2
+  rev: v0.8.1
   hooks:
     # Run the linter.
   - id: ruff
@@ -49,6 +49,6 @@ repos:
 
 # Reuse compliance
 - repo: https://github.com/fsfe/reuse-tool
-  rev: v4.0.3
+  rev: v5.0.2
   hooks:
   - id: reuse
diff --git a/atlite/datasets/era5.py b/atlite/datasets/era5.py
index 04e88015..d1e5224f 100644
--- a/atlite/datasets/era5.py
+++ b/atlite/datasets/era5.py
@@ -306,7 +306,7 @@ def retrieval_times(coords, static=False, monthly_requests=False):
                     "year": str(year),
                     "month": str(month),
                     "day": list(t[t.month == month].day.unique()),
-                    "time": ["%02d:00" % h for h in t[t.month == month].hour.unique()],
+                    "time": [f"{h:02d}:00" for h in t[t.month == month].hour.unique()],
                 }
                 times.append(query)
         else:
@@ -314,7 +314,7 @@ def retrieval_times(coords, static=False, monthly_requests=False):
                 "year": str(year),
                 "month": list(t.month.unique()),
                 "day": list(t.day.unique()),
-                "time": ["%02d:00" % h for h in t.hour.unique()],
+                "time": [f"{h:02d}:00" for h in t.hour.unique()],
             }
             times.append(query)
     return times