diff --git a/package.json b/package.json
index f90e545..92b0e97 100644
--- a/package.json
+++ b/package.json
@@ -13,7 +13,7 @@
   "dependencies": {
     "@actions/core": "1.6.0",
     "@actions/github": "5.0.0",
-    "@octokit/webhooks": "9.23.0",
+    "@octokit/webhooks": "9.26.0",
     "@slack/web-api": "6.7.0",
     "@slack/webhook": "6.1.0"
   },
diff --git a/yarn.lock b/yarn.lock
index 6b59c19..0f718b7 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -167,19 +167,19 @@
   resolved "https://registry.yarnpkg.com/@octokit/webhooks-methods/-/webhooks-methods-2.0.0.tgz#1108b9ea661ca6c81e4a8bfa63a09eb27d5bc2db"
   integrity sha512-35cfQ4YWlnZnmZKmIxlGPUPLtbkF8lr/A/1Sk1eC0ddLMwQN06dOuLc+dI3YLQS+T+MoNt3DIQ0NynwgKPilig==
 
-"@octokit/webhooks-types@5.5.1":
-  version "5.5.1"
-  resolved "https://registry.yarnpkg.com/@octokit/webhooks-types/-/webhooks-types-5.5.1.tgz#3ab94e890bee827302c6312e80497426d6627cbf"
-  integrity sha512-FaBbqZS2e4fCdQvUqeBKpJJOVsRxGcrf0NA91WBXz9GP5/4xgQgdjpbzAcDOSfESBYDYD78HeI5VeihfCW28Ew==
+"@octokit/webhooks-types@5.8.0":
+  version "5.8.0"
+  resolved "https://registry.yarnpkg.com/@octokit/webhooks-types/-/webhooks-types-5.8.0.tgz#b76d1a3e3ad82cec5680d3c6c3443a620047a6ef"
+  integrity sha512-8adktjIb76A7viIdayQSFuBEwOzwhDC+9yxZpKNHjfzrlostHCw0/N7JWpWMObfElwvJMk2fY2l1noENCk9wmw==
 
-"@octokit/webhooks@9.23.0":
-  version "9.23.0"
-  resolved "https://registry.yarnpkg.com/@octokit/webhooks/-/webhooks-9.23.0.tgz#16fc24284afdf3e119d32928dd3f8b338890e56c"
-  integrity sha512-4+imw+CajrKpafaE9oLCtXyU3ZAcCLwuoeZ3XmFruQZCEcBBJYE/juSFvU3x1HkFFeKwsUyr+nRikRwiK/VSmA==
+"@octokit/webhooks@9.26.0":
+  version "9.26.0"
+  resolved "https://registry.yarnpkg.com/@octokit/webhooks/-/webhooks-9.26.0.tgz#cf453bb313da3b66f1a90c84464d978e1c625cce"
+  integrity sha512-foZlsgrTDwAmD5j2Czn6ji10lbWjGDVsUxTIydjG9KTkAWKJrFapXJgO5SbGxRwfPd3OJdhK3nA2YPqVhxLXqA==
   dependencies:
     "@octokit/request-error" "^2.0.2"
     "@octokit/webhooks-methods" "^2.0.0"
-    "@octokit/webhooks-types" "5.5.1"
+    "@octokit/webhooks-types" "5.8.0"
     aggregate-error "^3.1.0"
 
 "@slack/logger@^3.0.0":