diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 312016bc..28865a90 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -30,8 +30,8 @@ repos:
       args: ["--fix", "--show-fixes"]
     - id: ruff-format
 
-  - repo: https://github.com/pre-commit/mirrors-prettier
-    rev: v4.0.0-alpha.8
+  - repo: https://github.com/rbubley/mirrors-prettier
+    rev: 309e9b0af1bbf98f1f6cd8e2b283b68cf87814e7 # frozen: v3.8.0
     hooks:
       - id: prettier
         types_or: [scss, javascript]
diff --git a/pyproject.toml b/pyproject.toml
index 9e7dcb00..2be4bb04 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -27,6 +27,8 @@ filterwarnings = [
   '''ignore:'sphinx.util.import_object' is deprecated.:PendingDeprecationWarning''',
   'ignore:Parsing dates involving a day of month without a year specified is ambiguious:DeprecationWarning',
   'ignore:Argument "parser_name" will be removed in Docutils 2.0.:PendingDeprecationWarning',
+  # RemovedInSphinx11Warning triggered in sphinx -- ultimately should be fixed
+  "ignore:'sphinx_book_theme._transforms.HandleFootnoteTransform.app' is deprecated.:PendingDeprecationWarning",
 ]
 
 [project]