diff --git a/package.json b/package.json
index 41d1d1289a9d47f1d38a8dea45481d942d9f50c3..fa9149af49e1da0893dec57401a97af0c0240042 100644
--- a/package.json
+++ b/package.json
@@ -158,7 +158,7 @@
     "@typescript-eslint/parser": "1.7.0",
     "babel-plugin-transform-object-rest-spread": "7.0.0-beta.3",
     "chai": "4.2.0",
-    "codecov": "3.3.0",
+    "codecov": "3.4.0",
     "copyfiles": "2.1.0",
     "cross-env": "5.2.0",
     "eslint": "5.16.0",
diff --git a/yarn.lock b/yarn.lock
index aa07a0a28a8c0272a0534213f3805aed008e545d..93714e7f97cebad31d759bc02d25f044d09a7656 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1552,15 +1552,15 @@ code-point-at@^1.0.0:
   resolved "https://registry.yarnpkg.com/code-point-at/-/code-point-at-1.1.0.tgz#0d070b4d043a5bea33a2f1a40e2edb3d9a4ccf77"
   integrity sha1-DQcLTQQ6W+ozovGkDi7bPZpMz3c=
 
-codecov@3.3.0:
-  version "3.3.0"
-  resolved "https://registry.yarnpkg.com/codecov/-/codecov-3.3.0.tgz#7bf337b3f7b0474606b5c31c56dd9e44e395e15d"
-  integrity sha512-S70c3Eg9SixumOvxaKE/yKUxb9ihu/uebD9iPO2IR73IdP4i6ZzjXEULj3d0HeyWPr0DqBfDkjNBWxURjVO5hw==
+codecov@3.4.0:
+  version "3.4.0"
+  resolved "https://registry.yarnpkg.com/codecov/-/codecov-3.4.0.tgz#7d16d9d82b0ce20efe5dbf66245a9740779ff61b"
+  integrity sha512-+vtyL1B11MWiRIBaPnsIALKKpLFck9m6QdyI20ZnG8WqLG2cxwCTW9x/LbG4Ht8b81equZWw5xLcr+0BIvmdJQ==
   dependencies:
     argv "^0.0.2"
     ignore-walk "^3.0.1"
-    js-yaml "^3.12.0"
-    teeny-request "^3.7.0"
+    js-yaml "^3.13.0"
+    teeny-request "^3.11.3"
     urlgrey "^0.4.4"
 
 collapse-white-space@^1.0.2:
@@ -8041,7 +8041,7 @@ tar@^4, tar@^4.4.3, tar@^4.4.8:
     safe-buffer "^5.1.2"
     yallist "^3.0.2"
 
-teeny-request@^3.7.0:
+teeny-request@^3.11.3:
   version "3.11.3"
   resolved "https://registry.yarnpkg.com/teeny-request/-/teeny-request-3.11.3.tgz#335c629f7645e5d6599362df2f3230c4cbc23a55"
   integrity sha512-CKncqSF7sH6p4rzCgkb/z/Pcos5efl0DmolzvlqRQUNcpRIruOhY9+T1FsIlyEbfWd7MsFpodROOwHYh2BaXzw==