diff --git a/package.json b/package.json
index 682b89c..e8a1a63 100644
--- a/package.json
+++ b/package.json
@@ -45,7 +45,7 @@
     "npm-run-all": "4.1.5",
     "prettier": "1.18.2",
     "ts-node": "8.0.2",
-    "tsickle": "0.35.0",
+    "tsickle": "0.38.1",
     "tslib": "1.9.3",
     "tslint": "5.13.0",
     "typescript": "3.4.4"
diff --git a/yarn.lock b/yarn.lock
index 839a4ff..7fc1344 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -6601,7 +6601,7 @@ source-map@0.5.6:
   resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.5.6.tgz#75ce38f52bf0733c5a7f0c118d81334a2bb5f412"
   integrity sha1-dc449SvwczxafwwRjYEzSiu19BI=
 
-source-map@0.7.3, source-map@^0.7.3:
+source-map@0.7.3:
   version "0.7.3"
   resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.7.3.tgz#5302f8169031735226544092e64981f751750383"
   integrity sha512-CkCj6giN3S+n9qrYiBTX5gystlENnRW5jZeNLHpe6aue+SrHcG5VYwujhW9s4dY31mEGsxBDrHR6oI69fTXsaQ==
@@ -7187,14 +7187,10 @@ ts-node@8.0.2:
     source-map-support "^0.5.6"
     yn "^3.0.0"
 
-tsickle@0.35.0:
-  version "0.35.0"
-  resolved "https://registry.yarnpkg.com/tsickle/-/tsickle-0.35.0.tgz#59235df45937c0ec5d072c616c26d2d97fba54b9"
-  integrity sha512-irsZLX4293YUl9TuwNC5Fy020eLSc4bC3LfKnxnx1oq5wmZD9zSP8qvNNTiwRmf2/rxH+58JINcTARDjuvn+oQ==
-  dependencies:
-    minimist "^1.2.0"
-    mkdirp "^0.5.1"
-    source-map "^0.7.3"
+tsickle@0.38.1:
+  version "0.38.1"
+  resolved "https://registry.yarnpkg.com/tsickle/-/tsickle-0.38.1.tgz#30762db759d40c435943093b6972c7f2efb384ef"
+  integrity sha512-4xZfvC6+etRu6ivKCNqMOd1FqcY/m6JY3Y+yr5+Xw+i751ciwrWINi6x/3l1ekcODH9GZhlf0ny2LpzWxnjWYA==
 
 tslib@1.9.3, tslib@^1.8.0, tslib@^1.8.1, tslib@^1.9.0:
   version "1.9.3"