diff --git a/blog/package.json b/blog/package.json
index abfa5d5..761c9e9 100644
--- a/blog/package.json
+++ b/blog/package.json
@@ -29,7 +29,7 @@
   },
   "devDependencies": {
     "npm-run-all": "^4.1.5",
-    "prettier": "^3.1.0",
+    "prettier": "^3.1.1",
     "textlint": "^13.4.1",
     "textlint-filter-rule-comments": "^1.2.2",
     "textlint-rule-no-todo": "^2.0.1"
diff --git a/devto/package.json b/devto/package.json
index 7f3d01c..679160b 100644
--- a/devto/package.json
+++ b/devto/package.json
@@ -18,7 +18,7 @@
   },
   "devDependencies": {
     "npm-run-all": "^4.1.5",
-    "prettier": "^3.1.0",
+    "prettier": "^3.1.1",
     "textlint": "^13.4.1",
     "textlint-filter-rule-comments": "^1.2.2",
     "textlint-formatter-codecov": "^1.0.2",
diff --git a/package.json b/package.json
index c430a12..90b8fc5 100644
--- a/package.json
+++ b/package.json
@@ -29,7 +29,7 @@
   "devDependencies": {
     "husky": "^8.0.3",
     "lint-staged": "^15.2.0",
-    "prettier": "^3.1.0"
+    "prettier": "^3.1.1"
   },
   "lint-staged": {
     "**/*": [
diff --git a/qiita/package.json b/qiita/package.json
index f3ca6b7..f7aff80 100644
--- a/qiita/package.json
+++ b/qiita/package.json
@@ -29,7 +29,7 @@
     "@textlint-ja/textlint-rule-no-synonyms": "^1.3.0",
     "codecov.io": "^0.1.6",
     "npm-run-all": "^4.1.5",
-    "prettier": "^3.1.0",
+    "prettier": "^3.1.1",
     "sudachi-synonyms-dictionary": "^12.0.0",
     "textlint": "^13.4.1",
     "textlint-filter-rule-comments": "^1.2.2",
diff --git a/yarn.lock b/yarn.lock
index 437d17a..81e9606 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5505,10 +5505,10 @@ prelude-ls@^1.2.1:
   resolved "https://registry.yarnpkg.com/prelude-ls/-/prelude-ls-1.2.1.tgz#debc6489d7a6e6b0e7611888cec880337d316396"
   integrity sha512-vkcDPrRZo1QZLbn5RLGPpg/WmIQ65qoWWhcGKf/b5eplkkarX0m9z8ppCat4mlOqUsWpyNuYgO3VRyrYHSzX5g==
 
-prettier@^3.1.0:
-  version "3.1.0"
-  resolved "https://registry.yarnpkg.com/prettier/-/prettier-3.1.0.tgz#c6d16474a5f764ea1a4a373c593b779697744d5e"
-  integrity sha512-TQLvXjq5IAibjh8EpBIkNKxO749UEWABoiIZehEPiY4GNpVdhaFKqSTu+QrlU6D2dPAfubRmtJTi4K4YkQ5eXw==
+prettier@^3.1.1:
+  version "3.1.1"
+  resolved "https://registry.yarnpkg.com/prettier/-/prettier-3.1.1.tgz#6ba9f23165d690b6cbdaa88cb0807278f7019848"
+  integrity sha512-22UbSzg8luF4UuZtzgiUOfcGM8s4tjBv6dJRT7j275NXsy2jb4aJa4NNveul5x4eqlF1wuhuR2RElK71RvmVaw==
 
 prh@^5.4.4:
   version "5.4.4"