diff --git a/package-lock.json b/package-lock.json
index f2bea16..8800fb1 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -632,12 +632,6 @@
         }
       }
     },
-    "@jest/create-cache-key-function": {
-      "version": "26.5.0",
-      "resolved": "https://registry.npmjs.org/@jest/create-cache-key-function/-/create-cache-key-function-26.5.0.tgz",
-      "integrity": "sha512-DJ+pEBUIqarrbv1W/C39f9YH0rJ4wsXZ/VC6JafJPlHW2HOucKceeaqTOQj9MEDQZjySxMLkOq5mfXZXNZcmWw==",
-      "dev": true
-    },
     "@jest/environment": {
       "version": "26.6.1",
       "resolved": "https://registry.npmjs.org/@jest/environment/-/environment-26.6.1.tgz",
@@ -10120,6 +10114,12 @@
         "sisteransi": "^1.0.4"
       }
     },
+    "pseudomap": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/pseudomap/-/pseudomap-1.0.2.tgz",
+      "integrity": "sha1-8FKijacOYYkX7wqKw0wa5aaChrM=",
+      "dev": true
+    },
     "psl": {
       "version": "1.8.0",
       "resolved": "https://registry.npmjs.org/psl/-/psl-1.8.0.tgz",
@@ -11642,12 +11642,11 @@
       "dev": true
     },
     "ts-jest": {
-      "version": "26.4.2",
-      "resolved": "https://registry.npmjs.org/ts-jest/-/ts-jest-26.4.2.tgz",
-      "integrity": "sha512-0+MynTTzzbuy5rGjzsCKjxHJk5gY906c/FSaqQ3081+G7dp2Yygfa9hVlbrtNNcztffh1mC6Rs9jb/yHpcjsoQ==",
+      "version": "26.4.4",
+      "resolved": "https://registry.npmjs.org/ts-jest/-/ts-jest-26.4.4.tgz",
+      "integrity": "sha512-3lFWKbLxJm34QxyVNNCgXX1u4o/RV0myvA2y2Bxm46iGIjKlaY0own9gIckbjZJPn+WaJEnfPPJ20HHGpoq4yg==",
       "dev": true,
       "requires": {
-        "@jest/create-cache-key-function": "^26.5.0",
         "@types/jest": "26.x",
         "bs-logger": "0.x",
         "buffer-from": "1.x",
@@ -11670,6 +11669,16 @@
             "minimist": "^1.2.5"
           }
         },
+        "lru-cache": {
+          "version": "4.1.5",
+          "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-4.1.5.tgz",
+          "integrity": "sha512-sWZlbEP2OsHNkXrMl5GYk/jKk70MBng6UU4YI/qGDYbgf6YbP4EvmqISbXCoJiRKs+1bSpFHVgQxvJ17F2li5g==",
+          "dev": true,
+          "requires": {
+            "pseudomap": "^1.0.2",
+            "yallist": "^2.1.2"
+          }
+        },
         "mkdirp": {
           "version": "1.0.4",
           "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-1.0.4.tgz",
@@ -11677,15 +11686,24 @@
           "dev": true
         },
         "semver": {
-          "version": "7.3.2",
-          "resolved": "https://registry.npmjs.org/semver/-/semver-7.3.2.tgz",
-          "integrity": "sha512-OrOb32TeeambH6UrhtShmF7CRDqhL6/5XpPNp2DuRH6+9QLw/orhp72j87v8Qa1ScDkvrrBNpZcDejAirJmfXQ==",
+          "version": "7.3.3",
+          "resolved": "https://registry.npmjs.org/semver/-/semver-7.3.3.tgz",
+          "integrity": "sha512-kBGrn+sE2tyi6f4c9aFrrYRSTTF5yNOEVRBCdpcgykFp3jt2ZGlBwzIwWER9J9HZnQa9IF1TrR8Xy2UU+eaUhQ==",
+          "dev": true,
+          "requires": {
+            "lru-cache": "^4.1.5"
+          }
+        },
+        "yallist": {
+          "version": "2.1.2",
+          "resolved": "https://registry.npmjs.org/yallist/-/yallist-2.1.2.tgz",
+          "integrity": "sha1-HBH5IY8HYImkfdUS+TxmmaaoHVI=",
           "dev": true
         },
         "yargs-parser": {
-          "version": "20.2.3",
-          "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-20.2.3.tgz",
-          "integrity": "sha512-emOFRT9WVHw03QSvN5qor9QQT9+sw5vwxfYweivSMHTcAXPefwVae2FjO7JJjj8hCE4CzPOPeFM83VwT29HCww==",
+          "version": "20.2.4",
+          "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-20.2.4.tgz",
+          "integrity": "sha512-WOkpgNhPTlE73h4VFAFsOnomJVaovO8VqLDzy5saChRBFQFBoMYirowyW+Q9HB4HFF4Z7VZTiG3iSzJJA29yRA==",
           "dev": true
         }
       }
diff --git a/package.json b/package.json
index 18dcfc5..c72932e 100644
--- a/package.json
+++ b/package.json
@@ -38,7 +38,7 @@
     "eslint-plugin-standard": "^4.0.2",
     "jest": "^26.6.1",
     "semantic-release": "^17.2.1",
-    "ts-jest": "^26.4.2",
+    "ts-jest": "^26.4.4",
     "ts-node": "^9.0.0",
     "typescript": "^4.0.3"
   },