diff --git a/backend/package-lock.json b/backend/package-lock.json
index 8ebf1c3..0847323 100644
--- a/backend/package-lock.json
+++ b/backend/package-lock.json
@@ -2470,6 +2470,16 @@
       "integrity": "sha512-Phlt0plgpIIBOGTT/ehfFnbNlfsDEiqmzE2KRXoX1bLIlir4X/MR+zSyBEkL05ffWgnRSf/DXv+WrUAVr93/ow==",
       "dev": true
     },
+    "bindings": {
+      "version": "1.5.0",
+      "resolved": "https://registry.npmjs.org/bindings/-/bindings-1.5.0.tgz",
+      "integrity": "sha512-p2q/t/mhvuOj/UeLlV6566GD/guowlr0hHxClI0W9m7MWYkL1F0hLo+0Aexs9HSPCtR1SXQ0TD3MMKrXZajbiQ==",
+      "dev": true,
+      "optional": true,
+      "requires": {
+        "file-uri-to-path": "1.0.0"
+      }
+    },
     "bluebird": {
       "version": "3.7.2",
       "resolved": "https://registry.npmjs.org/bluebird/-/bluebird-3.7.2.tgz",
@@ -4565,6 +4575,13 @@
         "flat-cache": "^2.0.1"
       }
     },
+    "file-uri-to-path": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/file-uri-to-path/-/file-uri-to-path-1.0.0.tgz",
+      "integrity": "sha512-0Zt+s3L7Vf1biwWZ29aARiVYLx7iMGnEUl9x33fbB/j3jR81u/O2LbqK+Bm1CDSNDKVtJ/YjwY7TUd5SkeLQLw==",
+      "dev": true,
+      "optional": true
+    },
     "fill-range": {
       "version": "7.0.1",
       "resolved": "https://registry.npmjs.org/fill-range/-/fill-range-7.0.1.tgz",
@@ -7360,9 +7377,9 @@
       }
     },
     "lodash": {
-      "version": "4.17.15",
-      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.15.tgz",
-      "integrity": "sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A=="
+      "version": "4.17.19",
+      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.19.tgz",
+      "integrity": "sha512-JNvd8XER9GQX0v2qJgsaN/mzFCNA5BRe/j8JN9d+tWyGLSodKQHKFicdwNYzWwI3wjRnaKPsGj1XkBjx/F96DQ=="
     },
     "lodash.memoize": {
       "version": "4.1.2",
@@ -7856,6 +7873,13 @@
       "integrity": "sha512-nnbWWOkoWyUsTjKrhgD0dcz22mdkSnpYqbEjIm2nhwhuxlSkpywJmBo8h0ZqJdkp73mb90SssHkN4rsRaBAfAA==",
       "dev": true
     },
+    "nan": {
+      "version": "2.14.1",
+      "resolved": "https://registry.npmjs.org/nan/-/nan-2.14.1.tgz",
+      "integrity": "sha512-isWHgVjnFjh2x2yuJ/tj3JbwoHu3UC2dX5G/88Cm24yB6YopVgxvBObDY7n5xW6ExmFhJpSEQqFPvq9zaXc8Jw==",
+      "dev": true,
+      "optional": true
+    },
     "nanomatch": {
       "version": "1.2.13",
       "resolved": "https://registry.npmjs.org/nanomatch/-/nanomatch-1.2.13.tgz",
@@ -10379,9 +10403,9 @@
       "integrity": "sha512-XrHUvV5HpdLmIj4uVMxHggLbFSZYIn7HEWsqePZcI50pco+MPqJ50wMGY794X7AOOhxOBAjbkqfAbEe/QMp2Lw=="
     },
     "ts-jest": {
-      "version": "25.2.1",
-      "resolved": "https://registry.npmjs.org/ts-jest/-/ts-jest-25.2.1.tgz",
-      "integrity": "sha512-TnntkEEjuXq/Gxpw7xToarmHbAafgCaAzOpnajnFC6jI7oo1trMzAHA04eWpc3MhV6+yvhE8uUBAmN+teRJh0A==",
+      "version": "26.1.1",
+      "resolved": "https://registry.npmjs.org/ts-jest/-/ts-jest-26.1.1.tgz",
+      "integrity": "sha512-Lk/357quLg5jJFyBQLnSbhycnB3FPe+e9i7ahxokyXxAYoB0q1pPmqxxRPYr4smJic1Rjcf7MXDBhZWgxlli0A==",
       "dev": true,
       "requires": {
         "bs-logger": "0.x",
@@ -10390,10 +10414,10 @@
         "json5": "2.x",
         "lodash.memoize": "4.x",
         "make-error": "1.x",
-        "mkdirp": "0.x",
-        "resolve": "1.x",
-        "semver": "^5.5",
-        "yargs-parser": "^16.1.0"
+        "micromatch": "4.x",
+        "mkdirp": "1.x",
+        "semver": "7.x",
+        "yargs-parser": "18.x"
       },
       "dependencies": {
         "json5": {
@@ -10405,15 +10429,27 @@
             "minimist": "^1.2.5"
           }
         },
-        "yargs-parser": {
-          "version": "16.1.0",
-          "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-16.1.0.tgz",
-          "integrity": "sha512-H/V41UNZQPkUMIT5h5hiwg4QKIY1RPvoBV4XcjUbRM8Bk2oKqqyZ0DIEbTFZB0XjbtSPG8SAa/0DxCQmiRgzKg==",
+        "micromatch": {
+          "version": "4.0.2",
+          "resolved": "https://registry.npmjs.org/micromatch/-/micromatch-4.0.2.tgz",
+          "integrity": "sha512-y7FpHSbMUMoyPbYUSzO6PaZ6FyRnQOpHuKwbo1G+Knck95XVU4QAiKdGEnj5wwoS7PlOgthX/09u5iFJ+aYf5Q==",
           "dev": true,
           "requires": {
-            "camelcase": "^5.0.0",
-            "decamelize": "^1.2.0"
+            "braces": "^3.0.1",
+            "picomatch": "^2.0.5"
           }
+        },
+        "mkdirp": {
+          "version": "1.0.4",
+          "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-1.0.4.tgz",
+          "integrity": "sha512-vVqVZQyf3WLx2Shd0qJ9xuvqgAyKPLAiqITEtqW0oIUjzo3PePDd6fW9iFz30ef7Ysp/oiWqbhszeGWW2T6Gzw==",
+          "dev": true
+        },
+        "semver": {
+          "version": "7.3.2",
+          "resolved": "https://registry.npmjs.org/semver/-/semver-7.3.2.tgz",
+          "integrity": "sha512-OrOb32TeeambH6UrhtShmF7CRDqhL6/5XpPNp2DuRH6+9QLw/orhp72j87v8Qa1ScDkvrrBNpZcDejAirJmfXQ==",
+          "dev": true
         }
       }
     },
@@ -10937,7 +10973,11 @@
           "resolved": "https://registry.npmjs.org/fsevents/-/fsevents-1.2.13.tgz",
           "integrity": "sha512-oWb1Z6mkHIskLzEJ/XWX0srkpkTQ7vaopMQkyaEIoq0fmtFVxOthb8cCxeT+p3ynTdkk/RZwbgG4brR5BeWECw==",
           "dev": true,
-          "optional": true
+          "optional": true,
+          "requires": {
+            "bindings": "^1.5.0",
+            "nan": "^2.12.1"
+          }
         },
         "glob-parent": {
           "version": "3.1.0",
diff --git a/backend/package.json b/backend/package.json
index 22b79e9..0b5e1ab 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -46,7 +46,7 @@
     "jest": "^25.1.0",
     "prettier": "^1.19.1",
     "supertest": "^4.0.2",
-    "ts-jest": "25.2.1",
+    "ts-jest": "^26.1.1",
     "ts-loader": "^6.2.1",
     "ts-node": "^8.6.2",
     "tsconfig-paths": "^3.9.0",