diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 2b819bf3b..35e625e51 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -4,8 +4,8 @@ default_stages: [pre-commit, pre-push]
 default_language_version:
   # force all unspecified Python hooks to run python3
   python: python3
-  # force all unspecified Node hooks to run Node.js v22.15.0 LTS
-  node: 22.15.0
+  # force all unspecified Node hooks to run Node.js v22.16.0 LTS
+  node: 22.16.0
 minimum_pre_commit_version: "3.2.0"
 exclude: "^tools/lrama/"
 repos:
@@ -22,12 +22,12 @@ repos:
       - id: prettier
         name: run prettier
         description: format files with prettier
-        entry: prettier --write .
+        entry: prettier --write '**/*.json' '**/*.md' '**/*.yaml' '**/*.yml'
         files: \.(json|md|ya?ml)$
         language: node
-        additional_dependencies: ["prettier@3.5.3"]
+        additional_dependencies: ["prettier@3.6.0"]
   - repo: https://github.com/gitleaks/gitleaks
-    rev: v8.25.1
+    rev: v8.27.2
     hooks:
       - id: gitleaks
         name: run gitleaks
@@ -98,7 +98,7 @@ repos:
         description: local policy is to exclude extension from all shell files
         types: [shell]
   - repo: https://github.com/igorshubovych/markdownlint-cli
-    rev: v0.44.0
+    rev: v0.45.0
     hooks:
       - id: markdownlint
         name: run markdownlint
@@ -122,7 +122,7 @@ repos:
         name: run shellcheck
         description: check shell scripts with a static analysis tool
   - repo: https://github.com/adrienverge/yamllint
-    rev: v1.37.0
+    rev: v1.37.1
     hooks:
       - id: yamllint
         name: run yamllint
diff --git a/doc/guides/memory.md b/doc/guides/memory.md
index 902d741f2..28dd0a5c4 100644
--- a/doc/guides/memory.md
+++ b/doc/guides/memory.md
@@ -50,7 +50,6 @@ Implement mrb_basic_alloc_func() in your code, and mruby will invoke it for ever
 If you are moving from the old API:
 
 1. **Removal of `mrb_open_allocf()`**
-
    - \_Old:
 
      ```c
@@ -65,11 +64,9 @@ If you are moving from the old API:
      ```
 
 2. **`mrb_open_core()` takes no arguments**
-
    - Simply drop any allocf or user-data arguments, and redefine `mrb_basic_alloc_func` as you need.
 
 3. **No more `mrb_allocf` type**
-
    - Definitions using the `mrb_allocf` typedef can be removed; implement `mrb_basic_alloc_func()` with the signature below:
 
      ```c
@@ -77,7 +74,6 @@ If you are moving from the old API:
      ```
 
 4. **`mrb_basic_alloc_func` signature change**
-
    - _Old:_
 
      ```c
diff --git a/mrbgems/mruby-time/README.md b/mrbgems/mruby-time/README.md
index 123ccb377..23c06d623 100644
--- a/mrbgems/mruby-time/README.md
+++ b/mrbgems/mruby-time/README.md
@@ -75,7 +75,6 @@ Once you have a `Time` object, you can extract its components:
   ```
 
 - **Subtraction (`-`)**:
-
   - Subtracting a duration (in seconds) from a `Time` object returns a new `Time` object.
   - Subtracting another `Time` object returns the difference in seconds as a Float.