diff --git a/dist/index.js b/dist/index.js
index f961794351..846de1dcfd 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -37700,7 +37700,7 @@ function getMergeFunction(key, options) {
 function getEnumerableOwnPropertySymbols(target) {
 	return Object.getOwnPropertySymbols
 		? Object.getOwnPropertySymbols(target).filter(function(symbol) {
-			return target.propertyIsEnumerable(symbol)
+			return Object.propertyIsEnumerable.call(target, symbol)
 		})
 		: []
 }
diff --git a/package.json b/package.json
index d19f1a6f16..e435b6b8b4 100644
--- a/package.json
+++ b/package.json
@@ -25,7 +25,7 @@
     "@probot/adapter-github-actions": "3.1.1",
     "cli-table3": "0.6.2",
     "compare-versions": "4.1.3",
-    "deepmerge": "4.2.2",
+    "deepmerge": "4.3.1",
     "escape-string-regexp": "4.0.0",
     "ignore": "5.2.0",
     "joi": "17.6.0",
diff --git a/yarn.lock b/yarn.lock
index 38f69392bb..3a68f990cd 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1851,10 +1851,10 @@ deep-is@^0.1.3:
   resolved "https://registry.yarnpkg.com/deep-is/-/deep-is-0.1.4.tgz#a6f2dce612fadd2ef1f519b73551f17e85199831"
   integrity sha512-oIPzksmTg4/MriiaYGO+okXDT7ztn/w3Eptv/+gSIdMdKsJo0u4CfYNFJPy+4SKMuCqGw2wxnA+URMg3t8a/bQ==
 
-deepmerge@4.2.2, deepmerge@^4.2.2:
-  version "4.2.2"
-  resolved "https://registry.yarnpkg.com/deepmerge/-/deepmerge-4.2.2.tgz#44d2ea3679b8f4d4ffba33f03d865fc1e7bf4955"
-  integrity sha512-FJ3UgI4gIl+PHZm53knsuSFpE+nESMr7M4v9QcgB7S63Kj/6WqMiFQJpBBYz1Pt+66bZpP3Q7Lye0Oo9MPKEdg==
+deepmerge@4.3.1, deepmerge@^4.2.2:
+  version "4.3.1"
+  resolved "https://registry.yarnpkg.com/deepmerge/-/deepmerge-4.3.1.tgz#44b5f2147cd3b00d4b56137685966f26fd25dd4a"
+  integrity sha512-3sUqbMEc77XqpdNO7FRyRog+eW3ph+GYCbj+rK+uYyRMuwsVy0rMiVtPn+QJlKFvWP/1PYpapqYn0Me2knFn+A==
 
 denque@^1.1.0:
   version "1.5.1"