diff --git a/package.json b/package.json
index 3b4f61b..556b72e 100644
--- a/package.json
+++ b/package.json
@@ -10,6 +10,6 @@
   "license": "ISC",
   "keywords": [],
   "devDependencies": {
-    "yarn": "^1.13.0"
+    "yarn": "^1.17.3"
   }
 }
diff --git a/yarn.lock b/yarn.lock
index b839ef4..dab47a6 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2,7 +2,7 @@
 # yarn lockfile v1
 
 
-yarn@^1.13.0:
-  version "1.13.0"
-  resolved "https://registry.yarnpkg.com/yarn/-/yarn-1.13.0.tgz#affa9c956739548024068532a902cf18c9cb523f"
-  integrity sha512-Unfw2eefv8imt4ZMPhvFVP44WCz38huDxkHs+Yqrx4wBTK75Tr0mh3V4rh+2Nw5iQq0rcM/VafotCZo9qTb5DA==
+yarn@^1.17.3:
+  version "1.17.3"
+  resolved "https://registry.yarnpkg.com/yarn/-/yarn-1.17.3.tgz#60e0b77d079eb78e753bb616f7592b51b6a9adce"
+  integrity sha512-CgA8o7nRZaQvmeF/WBx2FC7f9W/0X59T2IaLYqgMo6637wfp5mMEsM3YXoJtKUspnpmDJKl/gGFhnqS+sON7hA==