diff --git a/package.json b/package.json
index 682b89c..98aea52 100644
--- a/package.json
+++ b/package.json
@@ -44,7 +44,7 @@
     "ng-packagr": "4.7.1",
     "npm-run-all": "4.1.5",
     "prettier": "1.18.2",
-    "ts-node": "8.0.2",
+    "ts-node": "8.5.2",
     "tsickle": "0.35.0",
     "tslib": "1.9.3",
     "tslint": "5.13.0",
diff --git a/yarn.lock b/yarn.lock
index 839a4ff..a53961b 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2197,11 +2197,16 @@ detect-node@^2.0.4:
   resolved "https://registry.yarnpkg.com/detect-node/-/detect-node-2.0.4.tgz#014ee8f8f669c5c58023da64b8179c083a28c46c"
   integrity sha512-ZIzRpLJrOj7jjP2miAtgqIfmzbxa4ZOr5jJc601zklsfEx9oTzmmj2nVpIPRpNlRTIh8lc1kyViIY7BWSGNmKw==
 
-diff@^3.1.0, diff@^3.2.0:
+diff@^3.2.0:
   version "3.5.0"
   resolved "https://registry.yarnpkg.com/diff/-/diff-3.5.0.tgz#800c0dd1e0a8bfbc95835c202ad220fe317e5a12"
   integrity sha512-A46qtFgd+g7pDZinpnwiRJtxbC1hpgf0uzP3iG89scHk0AUC7A1TGxf5OiiOUv/JMZR8GOt8hL900hV0bOy5xA==
 
+diff@^4.0.1:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/diff/-/diff-4.0.1.tgz#0c667cb467ebbb5cea7f14f135cc2dba7780a8ff"
+  integrity sha512-s2+XdvhPCOF01LRQBC8hf4vhbVmI2CGS5aZnxLJlT5FtdhPCDFq80q++zK2KlrVorVDdL5BOGZ/VfLrVtYNF+Q==
+
 diffie-hellman@^5.0.0:
   version "5.0.3"
   resolved "https://registry.yarnpkg.com/diffie-hellman/-/diffie-hellman-5.0.3.tgz#40e8ee98f55a2149607146921c63e1ae5f3d2875"
@@ -7176,13 +7181,13 @@ ts-jest@~23.1.3:
     json5 "^0.5.0"
     lodash "^4.17.10"
 
-ts-node@8.0.2:
-  version "8.0.2"
-  resolved "https://registry.yarnpkg.com/ts-node/-/ts-node-8.0.2.tgz#9ecdf8d782a0ca4c80d1d641cbb236af4ac1b756"
-  integrity sha512-MosTrinKmaAcWgO8tqMjMJB22h+sp3Rd1i4fdoWY4mhBDekOwIAKI/bzmRi7IcbCmjquccYg2gcF6NBkLgr0Tw==
+ts-node@8.5.2:
+  version "8.5.2"
+  resolved "https://registry.yarnpkg.com/ts-node/-/ts-node-8.5.2.tgz#434f6c893bafe501a30b32ac94ee36809ba2adce"
+  integrity sha512-W1DK/a6BGoV/D4x/SXXm6TSQx6q3blECUzd5TN+j56YEMX3yPVMpHsICLedUw3DvGF3aTQ8hfdR9AKMaHjIi+A==
   dependencies:
     arg "^4.1.0"
-    diff "^3.1.0"
+    diff "^4.0.1"
     make-error "^1.1.1"
     source-map-support "^0.5.6"
     yn "^3.0.0"