diff --git a/packages/netlify-cms-backend-github/package.json b/packages/netlify-cms-backend-github/package.json
index 6c1bfccb..41aa84fa 100644
--- a/packages/netlify-cms-backend-github/package.json
+++ b/packages/netlify-cms-backend-github/package.json
@@ -26,7 +26,7 @@
     "apollo-link-context": "^1.0.18",
     "apollo-link-http": "^1.5.15",
     "common-tags": "^1.8.0",
-    "graphql": "^14.4.2",
+    "graphql": "^15.0.0",
     "graphql-tag": "^2.10.1",
     "js-base64": "^2.5.1",
     "semaphore": "^1.1.0"
diff --git a/yarn.lock b/yarn.lock
index 4d48b6af..624d0d17 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -9350,12 +9350,10 @@ graphql-tag@^2.10.1:
   resolved "https://registry.yarnpkg.com/graphql-tag/-/graphql-tag-2.11.0.tgz#1deb53a01c46a7eb401d6cb59dec86fa1cccbffd"
   integrity sha512-VmsD5pJqWJnQZMUeRwrDhfgoyqcfwEkvtpANqcoUG8/tOLkwNgU9mzub/Mc78OJMhHjx7gfAMTxzdG43VGg3bA==
 
-graphql@^14.4.2:
-  version "14.7.0"
-  resolved "https://registry.yarnpkg.com/graphql/-/graphql-14.7.0.tgz#7fa79a80a69be4a31c27dda824dc04dac2035a72"
-  integrity sha512-l0xWZpoPKpppFzMfvVyFmp9vLN7w/ZZJPefUicMCepfJeQ8sMcztloGYY9DfjVPo6tIUDzU5Hw3MUbIjj9AVVA==
-  dependencies:
-    iterall "^1.2.2"
+graphql@^15.0.0:
+  version "15.3.0"
+  resolved "https://registry.yarnpkg.com/graphql/-/graphql-15.3.0.tgz#3ad2b0caab0d110e3be4a5a9b2aa281e362b5278"
+  integrity sha512-GTCJtzJmkFLWRfFJuoo9RWWa/FfamUHgiFosxi/X1Ani4AVWbeyBenZTNX6dM+7WSbbFfTo/25eh0LLkwHMw2w==
 
 gray-matter@^4.0.2:
   version "4.0.2"
@@ -10788,11 +10786,6 @@ istanbul-reports@^3.0.2:
     html-escaper "^2.0.0"
     istanbul-lib-report "^3.0.0"
 
-iterall@^1.2.2:
-  version "1.3.0"
-  resolved "https://registry.yarnpkg.com/iterall/-/iterall-1.3.0.tgz#afcb08492e2915cbd8a0884eb93a8c94d0d72fea"
-  integrity sha512-QZ9qOMdF+QLHxy1QIpUHUU1D5pS2CG2P69LF6L6CPjPYA/XMOmKV3PZpawHoAjHNyB0swdVTRxdYT4tbBbxqwg==
-
 iterate-iterator@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/iterate-iterator/-/iterate-iterator-1.0.1.tgz#1693a768c1ddd79c969051459453f082fe82e9f6"