diff --git a/src/main/content/antora_ui/package-lock.json b/src/main/content/antora_ui/package-lock.json
index c2117534c..c62c01628 100644
--- a/src/main/content/antora_ui/package-lock.json
+++ b/src/main/content/antora_ui/package-lock.json
@@ -21,7 +21,7 @@
         "gulp-sass": "^5.1.0",
         "gulp-uglify": "~3.0",
         "gulp-vinyl-zip": "~2.1 >=2.1.2",
-        "handlebars": "^4.7.8",
+        "handlebars": "^4.7.9",
         "highlight.js": "~10.7",
         "js-yaml": "~3.13",
         "merge-stream": "~2.0",
@@ -4975,10 +4975,11 @@
       }
     },
     "node_modules/handlebars": {
-      "version": "4.7.8",
-      "resolved": "https://registry.npmjs.org/handlebars/-/handlebars-4.7.8.tgz",
-      "integrity": "sha512-vafaFqs8MZkRrSX7sFVUdo3ap/eNiLnb4IakshzvP56X5Nr1iGKAIqdX6tMlm6HcNRIkr6AxO5jFEoJzzpT8aQ==",
+      "version": "4.7.9",
+      "resolved": "https://registry.npmjs.org/handlebars/-/handlebars-4.7.9.tgz",
+      "integrity": "sha512-4E71E0rpOaQuJR2A3xDZ+GM1HyWYv1clR58tC8emQNeQe3RH7MAzSbat+V0wG78LQBo6m6bzSG/L4pBuCsgnUQ==",
       "dev": true,
+      "license": "MIT",
       "dependencies": {
         "minimist": "^1.2.5",
         "neo-async": "^2.6.2",
diff --git a/src/main/content/antora_ui/package.json b/src/main/content/antora_ui/package.json
index 37ecd7940..e741e083c 100644
--- a/src/main/content/antora_ui/package.json
+++ b/src/main/content/antora_ui/package.json
@@ -29,7 +29,7 @@
     "gulp-sass": "^5.1.0",
     "gulp-uglify": "~3.0",
     "gulp-vinyl-zip": "~2.1 >=2.1.2",
-    "handlebars": "^4.7.8",
+    "handlebars": "^4.7.9",
     "highlight.js": "~10.7",
     "js-yaml": "~3.13",
     "merge-stream": "~2.0",