diff --git a/.changeset/young-chicken-grab.md b/.changeset/young-chicken-grab.md
new file mode 100644
index 0000000..a845151
--- /dev/null
+++ b/.changeset/young-chicken-grab.md
@@ -0,0 +1,2 @@
+---
+---
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 359e456..51bfc7f 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -50,7 +50,7 @@ jobs:
       - name: Use Node.js
         uses: actions/setup-node@v4
         with:
-          node-version-file: 'package.json'
+          node-version-file: '.node-version'
           cache: 'npm'
 
       - run: npm install --prefer-offline --no-audit
diff --git a/.node-version b/.node-version
new file mode 100644
index 0000000..2a393af
--- /dev/null
+++ b/.node-version
@@ -0,0 +1 @@
+20.18.0
diff --git a/mise.toml b/mise.toml
new file mode 100644
index 0000000..157c156
--- /dev/null
+++ b/mise.toml
@@ -0,0 +1,2 @@
+[settings]
+idiomatic_version_file_enable_tools = ["node"]
diff --git a/package-lock.json b/package-lock.json
index 8562e7f..8e5a936 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9264,7 +9264,7 @@
       }
     },
     "packages/eslint-plugin-immutable-class": {
-      "version": "2.0.2",
+      "version": "2.0.3",
       "license": "Apache-2.0",
       "dependencies": {
         "@typescript-eslint/utils": "^8.0.0"
@@ -9285,7 +9285,7 @@
       }
     },
     "packages/immutable-class": {
-      "version": "0.11.3",
+      "version": "0.11.4",
       "license": "Apache-2.0",
       "dependencies": {
         "has-own-prop": "^2.0.0",
@@ -9293,14 +9293,14 @@
       },
       "devDependencies": {
         "@types/jest": "^29.5.13",
-        "immutable-class-tester": "^0.7.5",
+        "immutable-class-tester": "^0.7.6",
         "jest": "^29.7.0",
         "ts-jest": "^29.2.5",
         "typescript": "^5.6.3"
       }
     },
     "packages/immutable-class-tester": {
-      "version": "0.7.5",
+      "version": "0.7.6",
       "license": "Apache-2.0",
       "dependencies": {
         "@types/deep-equal": "^1.0.1",
@@ -12811,7 +12811,7 @@
       "requires": {
         "@types/jest": "^29.5.13",
         "has-own-prop": "^2.0.0",
-        "immutable-class-tester": "^0.7.5",
+        "immutable-class-tester": "^0.7.6",
         "jest": "^29.7.0",
         "ts-jest": "^29.2.5",
         "tslib": "^2.6.2",
diff --git a/package.json b/package.json
index 71d3a41..4c04c45 100644
--- a/package.json
+++ b/package.json
@@ -29,9 +29,6 @@
     "prettify": "npm exec --ws -- prettier --write 'src/**/*.{ts,tsx,scss}' './*.js'",
     "prettify-check": "npm exec --ws -- prettier --check 'src/**/*.{ts,tsx,scss}' './*.js'"
   },
-  "volta": {
-    "node": "20.18.0"
-  },
   "workspaces": [
     "./packages/*"
   ],