diff --git a/package.json b/package.json
index 14b101e4..1f73bf07 100644
--- a/package.json
+++ b/package.json
@@ -17,7 +17,7 @@
     "probot": "9.15.1"
   },
   "devDependencies": {
-    "@types/bunyan": "1.8.9",
+    "@types/bunyan": "1.8.10",
     "@types/jest": "26.0.24",
     "@types/js-yaml": "3.12.8",
     "@types/node": "10.17.60",
diff --git a/yarn.lock b/yarn.lock
index b06f5b3d..1afacab9 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -748,10 +748,10 @@
     "@types/connect" "*"
     "@types/node" "*"
 
-"@types/bunyan@1.8.9":
-  version "1.8.9"
-  resolved "https://registry.yarnpkg.com/@types/bunyan/-/bunyan-1.8.9.tgz#22d4517f3217b7c8f5a69bbc8c9f6df79779dcb5"
-  integrity sha512-ZqS9JGpBxVOvsawzmVt30sP++gSQMTejCkIAQ3VdadOcRE8izTyW66hufvwLeH+YEGP6Js2AW7Gz+RMyvrEbmw==
+"@types/bunyan@1.8.10":
+  version "1.8.10"
+  resolved "https://registry.yarnpkg.com/@types/bunyan/-/bunyan-1.8.10.tgz#60f2d297c3d29fd3b85c54f28a48b99d61686fe0"
+  integrity sha512-A82U/3EAdWX89f+dfysGiRvbeoLuRLV3i6SLg3HuNK4Yf+dHOqdbxT70vQUwvD3DOr2Dvpcv9dRX4ipTf0LpEg==
   dependencies:
     "@types/node" "*"