diff --git a/package.json b/package.json
index 54eec314c1919..788f0d7f6d28f 100644
--- a/package.json
+++ b/package.json
@@ -100,7 +100,7 @@
     "source-map": "0.5.7",
     "source-map-support": "0.4.18",
     "systemjs": "0.18.10",
-    "tsickle": "0.26.0",
+    "tsickle": "^0.27.2",
     "tslint": "5.7.0",
     "tslint-eslint-rules": "4.1.1",
     "tsutils": "2.20.0",
diff --git a/yarn.lock b/yarn.lock
index 62c6c7c2026a2..904334ebf5f08 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -6534,7 +6534,7 @@ source-map-resolve@^0.5.0:
     source-map-url "^0.4.0"
     urix "^0.1.0"
 
-source-map-support@0.4.18, source-map-support@^0.4.2, source-map-support@~0.4.0:
+source-map-support@0.4.18, source-map-support@~0.4.0:
   version "0.4.18"
   resolved "https://registry.yarnpkg.com/source-map-support/-/source-map-support-0.4.18.tgz#0286a6de8be42641338594e97ccea75f0a2c585f"
   dependencies:
@@ -6546,6 +6546,12 @@ source-map-support@0.4.3:
   dependencies:
     source-map "^0.5.3"
 
+source-map-support@^0.5.0:
+  version "0.5.3"
+  resolved "https://registry.yarnpkg.com/source-map-support/-/source-map-support-0.5.3.tgz#2b3d5fff298cfa4d1afd7d4352d569e9a0158e76"
+  dependencies:
+    source-map "^0.6.0"
+
 source-map-url@^0.4.0:
   version "0.4.0"
   resolved "https://registry.yarnpkg.com/source-map-url/-/source-map-url-0.4.0.tgz#3e935d7ddd73631b97659956d55128e87b5084a3"
@@ -6566,7 +6572,7 @@ source-map@^0.4.4, source-map@~0.4.1:
   dependencies:
     amdefine ">=0.0.4"
 
-source-map@~0.6.1:
+source-map@^0.6.0, source-map@~0.6.1:
   version "0.6.1"
   resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.6.1.tgz#74722af32e9614e9c287a8d0bbde48b5e2f1a263"
 
@@ -7109,14 +7115,14 @@ try-require@^1.0.0:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/try-require/-/try-require-1.2.1.tgz#34489a2cac0c09c1cc10ed91ba011594d4333be2"
 
-tsickle@0.26.0:
-  version "0.26.0"
-  resolved "https://registry.yarnpkg.com/tsickle/-/tsickle-0.26.0.tgz#40b30a2dd6abcb33b182e37596674bd1cfe4039c"
+tsickle@^0.27.2:
+  version "0.27.2"
+  resolved "https://registry.yarnpkg.com/tsickle/-/tsickle-0.27.2.tgz#f33d46d046f73dd5c155a37922e422816e878736"
   dependencies:
     minimist "^1.2.0"
     mkdirp "^0.5.1"
-    source-map "^0.5.6"
-    source-map-support "^0.4.2"
+    source-map "^0.6.0"
+    source-map-support "^0.5.0"
 
 tslib@^1.0.0:
   version "1.7.1"