diff --git a/package.json b/package.json
index aa6793d..22eaedd 100644
--- a/package.json
+++ b/package.json
@@ -33,7 +33,7 @@
   },
   "devDependencies": {
     "@types/jest": "22.1.3",
-    "codecov": "3.0.0",
+    "codecov": "3.0.3",
     "jest": "22.3.0",
     "ts-jest": "22.0.4",
     "tslint": "5.9.1",
diff --git a/yarn.lock b/yarn.lock
index 9eda379..37ddc74 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -612,11 +612,12 @@ code-point-at@^1.0.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/code-point-at/-/code-point-at-1.1.0.tgz#0d070b4d043a5bea33a2f1a40e2edb3d9a4ccf77"
 
-codecov@3.0.0:
-  version "3.0.0"
-  resolved "https://registry.yarnpkg.com/codecov/-/codecov-3.0.0.tgz#c273b8c4f12945723e8dc9d25803d89343e5f28e"
+codecov@3.0.3:
+  version "3.0.3"
+  resolved "https://registry.yarnpkg.com/codecov/-/codecov-3.0.3.tgz#e6a209f1674f3e3a8ff6d889ab7ac0b4a8895fa2"
   dependencies:
     argv "0.0.2"
+    ignore-walk "3.0.0"
     request "2.81.0"
     urlgrey "0.4.4"
 
@@ -1268,6 +1269,12 @@ iconv-lite@0.4.19:
   version "0.4.19"
   resolved "https://registry.yarnpkg.com/iconv-lite/-/iconv-lite-0.4.19.tgz#f7468f60135f5e5dad3399c0a81be9a1603a082b"
 
+ignore-walk@3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/ignore-walk/-/ignore-walk-3.0.0.tgz#e407919edee5c47c63473b319bfe3ea4a771a57e"
+  dependencies:
+    minimatch "^3.0.4"
+
 import-local@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/import-local/-/import-local-1.0.0.tgz#5e4ffdc03f4fe6c009c6729beb29631c2f8227bc"