diff --git a/packages/core/package.json b/packages/core/package.json
index 77644e66615..e6f0f24abbf 100644
--- a/packages/core/package.json
+++ b/packages/core/package.json
@@ -32,7 +32,7 @@
   },
   "dependencies": {
     "@graphql-modules/di": "0.6.5",
-    "graphql-toolkit": "0.2.6",
+    "graphql-toolkit": "0.2.7-a781bbf.0",
     "graphql-tools": "4.0.4",
     "tslib": "1.9.3"
   },
diff --git a/packages/graphql-modules/package.json b/packages/graphql-modules/package.json
index 3bcc849754d..1bfd7338d8a 100644
--- a/packages/graphql-modules/package.json
+++ b/packages/graphql-modules/package.json
@@ -43,6 +43,7 @@
     "@graphql-modules/core": "0.6.5",
     "tslib": "1.9.3"
   },
+  "sideEffects": false,
   "main": "dist/commonjs/index.js",
   "module": "dist/esnext/index.js",
   "typings": "dist/esnext/index.d.ts",
diff --git a/yarn.lock b/yarn.lock
index 7abba267a3e..294d825a5f6 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2230,16 +2230,17 @@ graphql-tag@2.10.1:
   resolved "https://registry.yarnpkg.com/graphql-tag/-/graphql-tag-2.10.1.tgz#10aa41f1cd8fae5373eaf11f1f67260a3cad5e02"
   integrity sha512-jApXqWBzNXQ8jYa/HLkZJaVw9jgwNqZkywa2zfFn16Iv1Zb7ELNHkJaXHR7Quvd5SIGsy6Ny7SUKATgnu05uEg==
 
-graphql-toolkit@0.2.6:
-  version "0.2.6"
-  resolved "https://registry.yarnpkg.com/graphql-toolkit/-/graphql-toolkit-0.2.6.tgz#539f82450c85d81ecb81b5c825d0c7271b458ece"
-  integrity sha512-VqvsKHYxKW3/qoJIaO17JH6AfClHcPvZRMN2rG/y6fsTKCyCCS7P1+7aKu6RPUwFkW+reqxxrXjEGOG2bkCcMQ==
+graphql-toolkit@0.2.7-c720d55.0:
+  version "0.2.7-c720d55.0"
+  resolved "https://registry.yarnpkg.com/graphql-toolkit/-/graphql-toolkit-0.2.7-c720d55.0.tgz#69719bcaad79502775f0519ba93df451c0137e93"
+  integrity sha512-bE1aZfmcFfH72fgZ1k8oZXBT6btB8NyZKeYU8KaR9LBLHdEC+8XaosivmBZtpoHOzltWycNuSJifYLLUlpog2g==
   dependencies:
     aggregate-error "2.2.0"
     deepmerge "3.2.0"
     glob "7.1.3"
     graphql-import "0.7.1"
     graphql-tag-pluck "0.7.0"
+    graphql-tools "4.0.4"
     is-glob "4.0.0"
     is-valid-path "0.1.1"
     lodash "4.17.11"