diff --git a/package.json b/package.json
index e9a15af93..10d4191e7 100644
--- a/package.json
+++ b/package.json
@@ -54,7 +54,7 @@
     "rxjs": "^6.5.4",
     "serve": "^11.3.0",
     "ts-jest": "^25.1.0",
-    "type-coverage": "^2.4.0",
+    "type-coverage": "^2.9.0",
     "typescript": "^3.7.5",
     "yarn-deduplicate": "^1.1.1"
   },
diff --git a/yarn.lock b/yarn.lock
index 754acb292..979dd9e1e 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -7219,7 +7219,12 @@ minimist@0.0.8:
   resolved "https://registry.yarnpkg.com/minimist/-/minimist-0.0.8.tgz#857fcabfc3397d2625b8228262e86aa7a011b05d"
   integrity sha1-hX/Kv8M5fSYluCKCYuhqp6ARsF0=
 
-minimist@1.2.0, minimist@^1.1.1, minimist@^1.1.3, minimist@^1.2.0:
+minimist@1:
+  version "1.2.5"
+  resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.5.tgz#67d66014b66a6a8aaa0c083c5fd58df4e4e97602"
+  integrity sha512-FM9nNUYrRBAELZQT3xeZQ7fmMOBg6nWNmJKTcgsJeaLstP/UODVpGsr5OhXhhXg6f+qtJ8uiZ+PUxkDWcgIXLw==
+
+minimist@^1.1.1, minimist@^1.1.3, minimist@^1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.0.tgz#a35008b20f41383eec1fb914f4cd5df79a264284"
   integrity sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ=
@@ -10917,13 +10922,13 @@ ts-jest@^25.1.0:
     semver "^5.5"
     yargs-parser "10.x"
 
-ts-lib-utils@^2.2.0:
-  version "2.2.0"
-  resolved "https://registry.yarnpkg.com/ts-lib-utils/-/ts-lib-utils-2.2.0.tgz#dbf198ba67e2fee027f36bd2f9c0cbd638ed1731"
-  integrity sha512-yfZWuQs5bfQA2RLJdHUOSL2+Iw4NcZ8eKglVVW25aXi3sdLEoJxHB3tC2CN+x4MY4X39tcFCGlE5V7IF8O3m8w==
+ts-lib-utils@^2.9.0:
+  version "2.9.0"
+  resolved "https://registry.yarnpkg.com/ts-lib-utils/-/ts-lib-utils-2.9.0.tgz#f1b7c25bcd246d13fd24a65632611a865e46f1e3"
+  integrity sha512-N+hiB60c/Za3sXTCptnaTl6eS4U7PEHC6obf8jBsC4Paae0nKwtreh68CXp7JNLOKil4t/k1dIwL4cUATmMJMQ==
   dependencies:
     glob "7"
-    tslib "1"
+    tslib "1 || 2"
 
 tsconfig-paths@^3.9.0:
   version "3.9.0"
@@ -10935,7 +10940,12 @@ tsconfig-paths@^3.9.0:
     minimist "^1.2.0"
     strip-bom "^3.0.0"
 
-tslib@1, tslib@^1.10.0, tslib@^1.8.1, tslib@^1.9.0:
+"tslib@1 || 2":
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/tslib/-/tslib-2.0.0.tgz#18d13fc2dce04051e20f074cc8387fd8089ce4f3"
+  integrity sha512-lTqkx847PI7xEDYJntxZH89L2/aXInsyF2luSafe/+0fHOMjlBNXdH6th7f70qxLDhul7KZK0zC8V5ZIyHl0/g==
+
+tslib@^1.10.0, tslib@^1.8.1, tslib@^1.9.0:
   version "1.10.0"
   resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.10.0.tgz#c3c19f95973fb0a62973fb09d90d961ee43e5c8a"
   integrity sha512-qOebF53frne81cf0S9B41ByenJ3/IuH8yJKngAX35CmiZySA0khhkovshKK+jGCaMnVomla7gVlIcc3EvKPbTQ==
@@ -10971,23 +10981,23 @@ type-check@~0.3.2:
   dependencies:
     prelude-ls "~1.1.2"
 
-type-coverage-core@^2.4.0:
-  version "2.4.0"
-  resolved "https://registry.yarnpkg.com/type-coverage-core/-/type-coverage-core-2.4.0.tgz#1d0f0b59a1b8a42a6ae221580b50371c0efb6d7f"
-  integrity sha512-jBAgIa6ANrZffvxEYT5jER9c49l+xSGWxDUv6EfwN3c8efUT5NKLmc3AUW+Nien8KlLliRc+quKENmTiT9zHPQ==
+type-coverage-core@^2.9.0:
+  version "2.9.0"
+  resolved "https://registry.yarnpkg.com/type-coverage-core/-/type-coverage-core-2.9.0.tgz#1f13e4060c1b782495c5558c1bc60bb9c9c73afc"
+  integrity sha512-99iPqoHnbat+8FKkQaHed5CztFTwNFa+33Pr975tokoHQRcBEvuFWTT8ZjdF3BbrWblYU4Or5YtZi/T7tk4VCA==
   dependencies:
     minimatch "3"
-    ts-lib-utils "^2.2.0"
-    tslib "1"
+    ts-lib-utils "^2.9.0"
+    tslib "1 || 2"
     tsutils "3"
 
-type-coverage@^2.4.0:
-  version "2.4.0"
-  resolved "https://registry.yarnpkg.com/type-coverage/-/type-coverage-2.4.0.tgz#db649b414e38bfe5dc4753bbaf143b27cd111d71"
-  integrity sha512-0hpRb0AYx6vXYWLzK6D1K2I0r+hCjp293X0Khe7wAsIZRT+VX6ztDBvu6UDFfGgkrwdL4x46lKhnTjJLbq494g==
+type-coverage@^2.9.0:
+  version "2.9.0"
+  resolved "https://registry.yarnpkg.com/type-coverage/-/type-coverage-2.9.0.tgz#2b75da037f99c27922a71b219018e8007cab4e8d"
+  integrity sha512-yOi8+bXmzMEgdvHEhuT4zQ6J9kymQLK0BQTT0v7ZL2RHaP0mRIn7hy8+bpQeenAftjEH2aHzxSsxMcZF72VqRg==
   dependencies:
-    minimist "1.2.0"
-    type-coverage-core "^2.4.0"
+    minimist "1"
+    type-coverage-core "^2.9.0"
 
 type-detect@4.0.8:
   version "4.0.8"