diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index afea773..f63f2f0 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -24,7 +24,7 @@ repos:
       - id: blacken-docs
 
   - repo: https://github.com/rbubley/mirrors-prettier
-    rev: 4923370d55631aa5b66f612f52d67b2e0ca2a38c # frozen: v3.9.1
+    rev: 39e2973981e6d2f9b6c543b0086a2d2393abdc89 # frozen: v3.9.4
     hooks:
       - id: prettier
         files: \.(css|md|yml|yaml)