diff --git a/package-lock.json b/package-lock.json
index 043ddc1..8880912 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -11739,12 +11739,11 @@
       }
     },
     "ts-jest": {
-      "version": "26.5.0",
-      "resolved": "https://registry.npmjs.org/ts-jest/-/ts-jest-26.5.0.tgz",
-      "integrity": "sha512-Ya4IQgvIFNa2Mgq52KaO8yBw2W8tWp61Ecl66VjF0f5JaV8u50nGoptHVILOPGoI7SDnShmEqnYQEmyHdQ+56g==",
+      "version": "26.5.4",
+      "resolved": "https://registry.npmjs.org/ts-jest/-/ts-jest-26.5.4.tgz",
+      "integrity": "sha512-I5Qsddo+VTm94SukBJ4cPimOoFZsYTeElR2xy6H2TOVs+NsvgYglW8KuQgKoApOKuaU/Ix/vrF9ebFZlb5D2Pg==",
       "dev": true,
       "requires": {
-        "@types/jest": "26.x",
         "bs-logger": "0.x",
         "buffer-from": "1.x",
         "fast-json-stable-stringify": "2.x",
@@ -11767,9 +11766,9 @@
           }
         },
         "yargs-parser": {
-          "version": "20.2.4",
-          "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-20.2.4.tgz",
-          "integrity": "sha512-WOkpgNhPTlE73h4VFAFsOnomJVaovO8VqLDzy5saChRBFQFBoMYirowyW+Q9HB4HFF4Z7VZTiG3iSzJJA29yRA==",
+          "version": "20.2.7",
+          "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-20.2.7.tgz",
+          "integrity": "sha512-FiNkvbeHzB/syOjIUxFDCnhSfzAL8R5vs40MgLFBorXACCOAEaWu0gRZl14vG8MR9AOJIZbmkjhusqBYZ3HTHw==",
           "dev": true
         }
       }
diff --git a/package.json b/package.json
index e9c86c2..f596db5 100644
--- a/package.json
+++ b/package.json
@@ -56,7 +56,7 @@
     "rollup-plugin-terser": "^7.0.2",
     "rollup-plugin-typescript2": "^0.30.0",
     "selenium-webdriver": "^4.0.0-beta.1",
-    "ts-jest": "^26.5.0",
+    "ts-jest": "^26.5.4",
     "typedoc": "^0.20.30",
     "typescript": "^4.1.5"
   },