diff --git a/.eslintrc.json b/.eslintrc.json
index 0bea4d3..53d6a3d 100644
--- a/.eslintrc.json
+++ b/.eslintrc.json
@@ -2,7 +2,8 @@
     "root": true,
     "parser": "@typescript-eslint/parser",
     "plugins": [
-        "@typescript-eslint"
+        "@typescript-eslint",
+        "eslint-plugin-jest"
     ],
     "extends": [
         "eslint:recommended",
@@ -12,7 +13,8 @@
     "rules": {
         "quotes": ["error", "double"],
         "indent": ["error", 4],
-        "semi": "error"
+        "semi": "error",
+        "no-undef": "off"
     },
     "env": {
         "jest/globals": true
diff --git a/package-lock.json b/package-lock.json
index 04cf67e..f82eb4a 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1873,6 +1873,15 @@
         }
       }
     },
+    "eslint-plugin-jest": {
+      "version": "24.1.3",
+      "resolved": "https://registry.npmjs.org/eslint-plugin-jest/-/eslint-plugin-jest-24.1.3.tgz",
+      "integrity": "sha512-dNGGjzuEzCE3d5EPZQ/QGtmlMotqnYWD/QpCZ1UuZlrMAdhG5rldh0N0haCvhGnUkSeuORS5VNROwF9Hrgn3Lg==",
+      "dev": true,
+      "requires": {
+        "@typescript-eslint/experimental-utils": "^4.0.1"
+      }
+    },
     "eslint-scope": {
       "version": "5.1.1",
       "resolved": "https://registry.npmjs.org/eslint-scope/-/eslint-scope-5.1.1.tgz",
diff --git a/package.json b/package.json
index 921ddf3..3ae8e62 100644
--- a/package.json
+++ b/package.json
@@ -41,6 +41,7 @@
     "@typescript-eslint/parser": "^4.13.0",
     "eslint": "^7.18.0",
     "jest": "^26.6.3",
-    "typescript": "^4.1.3"
+    "typescript": "^4.1.3",
+    "eslint-plugin-jest": "^24.1.3"
   }
 }