diff --git a/es6/package.json b/es6/package.json
index 9bf7a5a..e082da8 100644
--- a/es6/package.json
+++ b/es6/package.json
@@ -59,7 +59,7 @@
   },
   "homepage": "https://github.com/dotchain/streams",
   "devDependencies": {
-    "codecov": "^3.6.5",
+    "codecov": "^3.7.1",
     "eslint": "^5.16.0",
     "esm": "^3.2.22",
     "karma": "^4.1.0",
diff --git a/es6/yarn.lock b/es6/yarn.lock
index 8f5269f..ea93b4c 100644
--- a/es6/yarn.lock
+++ b/es6/yarn.lock
@@ -396,10 +396,10 @@ cliui@^5.0.0:
     strip-ansi "^5.2.0"
     wrap-ansi "^5.1.0"
 
-codecov@^3.6.5:
-  version "3.6.5"
-  resolved "https://registry.yarnpkg.com/codecov/-/codecov-3.6.5.tgz#d73ce62e8a021f5249f54b073e6f2d6a513f172a"
-  integrity sha512-v48WuDMUug6JXwmmfsMzhCHRnhUf8O3duqXvltaYJKrO1OekZWpB/eH6iIoaxMl8Qli0+u3OxptdsBOYiD7VAQ==
+codecov@^3.7.1:
+  version "3.7.1"
+  resolved "https://registry.yarnpkg.com/codecov/-/codecov-3.7.1.tgz#434cb8d55f18ef01672e5739d3d266696bebc202"
+  integrity sha512-JHWxyPTkMLLJn9SmKJnwAnvY09kg2Os2+Ux+GG7LwZ9g8gzDDISpIN5wAsH1UBaafA/yGcd3KofMaorE8qd6Lw==
   dependencies:
     argv "0.0.2"
     ignore-walk "3.0.3"