diff --git a/package-lock.json b/package-lock.json
index d14398c..392d0b5 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1226,19 +1226,6 @@
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-        "pretty-format": "^26.0.0"
+        "jest-matcher-utils": "^27.0.0",
+        "pretty-format": "^27.0.0"
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@@ -2366,9 +2358,9 @@
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@@ -4174,15 +4166,15 @@
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-      "resolved": "https://registry.npmjs.org/jest-diff/-/jest-diff-26.6.2.tgz",
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-        "jest-get-type": "^26.3.0",
-        "pretty-format": "^26.6.2"
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@@ -4363,9 +4355,9 @@
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-      "resolved": "https://registry.npmjs.org/jest-get-type/-/jest-get-type-26.3.0.tgz",
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+      "version": "27.5.1",
+      "resolved": "https://registry.npmjs.org/jest-get-type/-/jest-get-type-27.5.1.tgz",
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@@ -6096,15 +6088,28 @@
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+      "resolved": "https://registry.npmjs.org/pretty-format/-/pretty-format-27.5.1.tgz",
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-        "@jest/types": "^26.6.2",
-        "ansi-regex": "^5.0.0",
-        "ansi-styles": "^4.0.0",
+        "ansi-regex": "^5.0.1",
+        "ansi-styles": "^5.0.0",
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+      },
+      "dependencies": {
+        "ansi-regex": {
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+          "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-5.0.1.tgz",
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+          "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-5.2.0.tgz",
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+          "dev": true
+        }
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     "progress": {
diff --git a/package.json b/package.json
index 3369183..f452645 100644
--- a/package.json
+++ b/package.json
@@ -20,7 +20,7 @@
   },
   "homepage": "https://github.com/markfknight/vscode-typescript-scratchpad#readme",
   "devDependencies": {
-    "@types/jest": "^26.0.20",
+    "@types/jest": "^27.5.0",
     "@typescript-eslint/eslint-plugin": "^2.33.0",
     "@typescript-eslint/parser": "^2.33.0",
     "eslint": "^7.21.0",