diff --git a/package.json b/package.json
index aa3f7da5..01afb123 100644
--- a/package.json
+++ b/package.json
@@ -33,7 +33,7 @@
         "rimraf": "^3.0.0",
         "rxjs": "^6.3.0",
         "scss-bundle": "^3.0.1",
-        "ts-node": "~8.0.2",
+        "ts-node": "~8.5.2",
         "tsickle": "^0.36.0",
         "tslib": "^1.9.0",
         "tslint": "~5.17.0",
diff --git a/yarn.lock b/yarn.lock
index 5861fe44..93e19b42 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4769,11 +4769,16 @@ diff-sequences@^24.9.0:
   resolved "https://registry.yarnpkg.com/diff-sequences/-/diff-sequences-24.9.0.tgz#5715d6244e2aa65f48bba0bc972db0b0b11e95b5"
   integrity sha512-Dj6Wk3tWyTE+Fo1rW8v0Xhwk80um6yFYKbuAxc9c3EZxIHFDYwbi34Uk42u1CdnIiVorvt4RmlSDjIPyzGC2ew==
 
-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"
@@ -12101,13 +12106,13 @@ ts-jest@^24.0.0:
     semver "^5.5"
     yargs-parser "10.x"
 
-ts-node@~8.0.2:
-  version "8.0.3"
-  resolved "https://registry.yarnpkg.com/ts-node/-/ts-node-8.0.3.tgz#aa60b836a24dafd8bf21b54766841a232fdbc641"
-  integrity sha512-2qayBA4vdtVRuDo11DEFSsD/SFsBXQBRZZhbRGSIkmYmVkWjULn/GGMdG10KVqkaGndljfaTD8dKjWgcejO8YA==
+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"