diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index a909d6a..3142392 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -27,7 +27,7 @@ repos:
         additional_dependencies: ["tomli"]
   - repo: https://github.com/astral-sh/ruff-pre-commit
     # Ruff version.
-    rev: v0.8.1
+    rev: v0.9.1
     hooks:
       # Run the linter.
       - id: ruff
@@ -35,7 +35,7 @@ repos:
       # Run the formatter.
       - id: ruff-format
   - repo: https://github.com/executablebooks/mdformat
-    rev: 0.7.19
+    rev: 0.7.21
     hooks:
     - id: mdformat
       args: ["--wrap=80"]