diff --git a/package-lock.json b/package-lock.json
index 6e92426..0e39098 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1102,13 +1102,85 @@
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+            "@types/node": "*",
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+            "jest-get-type": "^27.4.0",
+            "pretty-format": "^27.4.2"
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+        "jest-get-type": {
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+          "resolved": "https://registry.npmjs.org/jest-get-type/-/jest-get-type-27.4.0.tgz",
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+          "resolved": "https://registry.npmjs.org/pretty-format/-/pretty-format-27.4.2.tgz",
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+            "ansi-styles": "^5.0.0",
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     "@types/json-schema": {
@@ -11237,6 +11309,18 @@
         "mkdirp": "1.x",
         "semver": "7.x",
         "yargs-parser": "20.x"
+      },
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+          "resolved": "https://registry.npmjs.org/@types/jest/-/jest-26.0.24.tgz",
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+          "dev": true,
+          "requires": {
+            "jest-diff": "^26.0.0",
+            "pretty-format": "^26.0.0"
+          }
+        }
       }
     },
     "tsconfig-paths": {
diff --git a/package.json b/package.json
index 623b7d3..509a6ac 100644
--- a/package.json
+++ b/package.json
@@ -32,7 +32,7 @@
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+    "@types/jest": "^27.4.0",
     "@typescript-eslint/eslint-plugin": "^4.12.0",
     "@typescript-eslint/parser": "^4.12.0",
     "eslint": "^7.17.0",