diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 43a05e6..bb0e5b4 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -3,7 +3,7 @@ ci:
 
 repos:
   - repo: https://github.com/pre-commit/pre-commit-hooks
-    rev: v5.0.0
+    rev: v6.0.0
     hooks:
       - id: trailing-whitespace
       - id: end-of-file-fixer
@@ -16,7 +16,7 @@ repos:
       - id: no-commit-to-branch
         args: ["--branch=main"]
   - repo: https://github.com/astral-sh/ruff-pre-commit
-    rev: v0.7.4
+    rev: v0.15.12
     hooks:
       - id: ruff
         types_or: [python, pyi, jupyter]
@@ -24,7 +24,7 @@ repos:
       - id: ruff-format
         types_or: [python, pyi, jupyter]
   - repo: https://github.com/pre-commit/mirrors-mypy
-    rev: v1.13.0
+    rev: v1.20.2
     hooks:
       - id: mypy
         args: []
diff --git a/README.md b/README.md
index fc6840d..dcd8d4d 100644
--- a/README.md
+++ b/README.md
@@ -7,7 +7,7 @@
 
 Experimenting with a simplified plotting API for scanpy/scirpy
 
-[//]: # (numfocus-fiscal-sponsor-attribution)
+[//]: # "numfocus-fiscal-sponsor-attribution"
 
 plotting_api is part of the scverse® project ([website](https://scverse.org), [governance](https://scverse.org/about/roles)) and is fiscally sponsored by [NumFOCUS](https://numfocus.org/).
 If you like scverse® and want to support our mission, please consider making a tax-deductible [donation](https://numfocus.org/donate-to-scverse) to help the project pay for developer time, professional services, travel, workshops, and a variety of other needs.