diff --git a/package-lock.json b/package-lock.json
index a1b9319..f7bb771 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -8218,6 +8218,12 @@
       "integrity": "sha1-gteb/zCmfEAF/9XiUVMArZyk168=",
       "dev": true
     },
+    "lodash.memoize": {
+      "version": "4.1.2",
+      "resolved": "https://registry.npmjs.org/lodash.memoize/-/lodash.memoize-4.1.2.tgz",
+      "integrity": "sha1-vMbEmkKihA7Zl/Mj6tpezRguC/4=",
+      "dev": true
+    },
     "lodash.merge": {
       "version": "4.6.2",
       "resolved": "https://registry.npmjs.org/lodash.merge/-/lodash.merge-4.6.2.tgz",
@@ -8406,12 +8412,6 @@
       "integrity": "sha512-FM9nNUYrRBAELZQT3xeZQ7fmMOBg6nWNmJKTcgsJeaLstP/UODVpGsr5OhXhhXg6f+qtJ8uiZ+PUxkDWcgIXLw==",
       "dev": true
     },
-    "mkdirp": {
-      "version": "1.0.4",
-      "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-1.0.4.tgz",
-      "integrity": "sha512-vVqVZQyf3WLx2Shd0qJ9xuvqgAyKPLAiqITEtqW0oIUjzo3PePDd6fW9iFz30ef7Ysp/oiWqbhszeGWW2T6Gzw==",
-      "dev": true
-    },
     "mri": {
       "version": "1.1.6",
       "resolved": "https://registry.npmjs.org/mri/-/mri-1.1.6.tgz",
@@ -9500,19 +9500,17 @@
       }
     },
     "ts-jest": {
-      "version": "27.0.2",
-      "resolved": "https://registry.npmjs.org/ts-jest/-/ts-jest-27.0.2.tgz",
-      "integrity": "sha512-pozjHOOfm+sbv9kXCvTFVyDntWvuJztzkNFql/akD75hSMZ2jsbidVauOhBRImAopXohqcLtPK/NTTIS8Y49Ug==",
+      "version": "27.1.4",
+      "resolved": "https://registry.npmjs.org/ts-jest/-/ts-jest-27.1.4.tgz",
+      "integrity": "sha512-qjkZlVPWVctAezwsOD1OPzbZ+k7zA5z3oxII4dGdZo5ggX/PL7kvwTM0pXTr10fAtbiVpJaL3bWd502zAhpgSQ==",
       "dev": true,
       "requires": {
         "bs-logger": "0.x",
-        "buffer-from": "1.x",
         "fast-json-stable-stringify": "2.x",
         "jest-util": "^27.0.0",
         "json5": "2.x",
-        "lodash": "4.x",
+        "lodash.memoize": "4.x",
         "make-error": "1.x",
-        "mkdirp": "1.x",
         "semver": "7.x",
         "yargs-parser": "20.x"
       },
diff --git a/package.json b/package.json
index fb94bef..9c97b15 100644
--- a/package.json
+++ b/package.json
@@ -52,7 +52,7 @@
     "rollup-plugin-babel": "^4.4.0",
     "rollup-plugin-commonjs": "^10.1.0",
     "rollup-plugin-node-resolve": "5.2.0",
-    "ts-jest": "27.0.2",
+    "ts-jest": "27.1.4",
     "typescript": "4.3.2"
   },
   "bugs": {