diff --git a/package-lock.json b/package-lock.json
index 0a50c15..16f8b72 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@kengotoda/actions-setup-docker-compose",
-  "version": "1.2.0",
+  "version": "1.2.1",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "@kengotoda/actions-setup-docker-compose",
-      "version": "1.2.0",
+      "version": "1.2.1",
       "license": "MIT",
       "dependencies": {
         "@actions/core": "^1.4.0",
@@ -25,7 +25,7 @@
         "eslint-plugin-jest": "^27.0.1",
         "jest": "^29.0.0",
         "js-yaml": "^4.1.0",
-        "prettier": "3.1.0",
+        "prettier": "3.1.1",
         "semantic-release": "^22.0.0",
         "ts-jest": "^29.0.0",
         "typescript": "^5.0.0"
@@ -11044,9 +11044,9 @@
       }
     },
     "node_modules/prettier": {
-      "version": "3.1.0",
-      "resolved": "https://registry.npmjs.org/prettier/-/prettier-3.1.0.tgz",
-      "integrity": "sha512-TQLvXjq5IAibjh8EpBIkNKxO749UEWABoiIZehEPiY4GNpVdhaFKqSTu+QrlU6D2dPAfubRmtJTi4K4YkQ5eXw==",
+      "version": "3.1.1",
+      "resolved": "https://registry.npmjs.org/prettier/-/prettier-3.1.1.tgz",
+      "integrity": "sha512-22UbSzg8luF4UuZtzgiUOfcGM8s4tjBv6dJRT7j275NXsy2jb4aJa4NNveul5x4eqlF1wuhuR2RElK71RvmVaw==",
       "dev": true,
       "bin": {
         "prettier": "bin/prettier.cjs"
@@ -20857,9 +20857,9 @@
       "dev": true
     },
     "prettier": {
-      "version": "3.1.0",
-      "resolved": "https://registry.npmjs.org/prettier/-/prettier-3.1.0.tgz",
-      "integrity": "sha512-TQLvXjq5IAibjh8EpBIkNKxO749UEWABoiIZehEPiY4GNpVdhaFKqSTu+QrlU6D2dPAfubRmtJTi4K4YkQ5eXw==",
+      "version": "3.1.1",
+      "resolved": "https://registry.npmjs.org/prettier/-/prettier-3.1.1.tgz",
+      "integrity": "sha512-22UbSzg8luF4UuZtzgiUOfcGM8s4tjBv6dJRT7j275NXsy2jb4aJa4NNveul5x4eqlF1wuhuR2RElK71RvmVaw==",
       "dev": true
     },
     "prettier-linter-helpers": {
diff --git a/package.json b/package.json
index 93d01ed..946f3a7 100644
--- a/package.json
+++ b/package.json
@@ -44,7 +44,7 @@
     "eslint-plugin-jest": "^27.0.1",
     "jest": "^29.0.0",
     "js-yaml": "^4.1.0",
-    "prettier": "3.1.0",
+    "prettier": "3.1.1",
     "semantic-release": "^22.0.0",
     "ts-jest": "^29.0.0",
     "typescript": "^5.0.0"