diff --git a/package-lock.json b/package-lock.json
index 00c5d1f5..ffa11bba 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -29,7 +29,7 @@
 				"grunt-terser": "^2.0.0",
 				"grunt-version": "^3.0.1",
 				"stylelint-config-standard": "^38.0.0",
-				"terser": "^5.39.2"
+				"terser": "^5.40.0"
 			}
 		},
 		"node_modules/@babel/code-frame": {
@@ -4870,9 +4870,9 @@
 			}
 		},
 		"node_modules/terser": {
-			"version": "5.39.2",
-			"resolved": "https://registry.npmjs.org/terser/-/terser-5.39.2.tgz",
-			"integrity": "sha512-yEPUmWve+VA78bI71BW70Dh0TuV4HHd+I5SHOAfS1+QBOmvmCiiffgjR8ryyEd3KIfvPGFqoADt8LdQ6XpXIvg==",
+			"version": "5.40.0",
+			"resolved": "https://registry.npmjs.org/terser/-/terser-5.40.0.tgz",
+			"integrity": "sha512-cfeKl/jjwSR5ar7d0FGmave9hFGJT8obyo0z+CrQOylLDbk7X81nPU6vq9VORa5jU30SkDnT2FXjLbR8HLP+xA==",
 			"dev": true,
 			"license": "BSD-2-Clause",
 			"dependencies": {
diff --git a/package.json b/package.json
index 8f61b506..5201f740 100644
--- a/package.json
+++ b/package.json
@@ -86,7 +86,7 @@
 		"grunt-terser": "^2.0.0",
 		"grunt-version": "^3.0.1",
 		"stylelint-config-standard": "^38.0.0",
-		"terser": "^5.39.2"
+		"terser": "^5.40.0"
 	},
 	"dependencies": {
 		"@jaames/iro": "^5.5.2",