diff --git a/package-lock.json b/package-lock.json
index da397138..64762704 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -16,7 +16,7 @@
         "asciidoctor": "^2.2.6",
         "asciidoctor-jupyter": "^0.5.0",
         "asciidoctor-kroki": "^0.17.0",
-        "handlebars": "^4.7.7",
+        "handlebars": "^4.7.8",
         "handlebars-utils": "^1.0.6"
       },
       "devDependencies": {
@@ -1426,12 +1426,12 @@
       }
     },
     "node_modules/handlebars": {
-      "version": "4.7.7",
-      "resolved": "https://registry.npmjs.org/handlebars/-/handlebars-4.7.7.tgz",
-      "integrity": "sha512-aAcXm5OAfE/8IXkcZvCepKU3VzW1/39Fb5ZuqMtgI/hT8X2YgoMvBY5dLhq/cpOvw7Lk1nK/UF71aLG/ZnVYRA==",
+      "version": "4.7.8",
+      "resolved": "https://registry.npmjs.org/handlebars/-/handlebars-4.7.8.tgz",
+      "integrity": "sha512-vafaFqs8MZkRrSX7sFVUdo3ap/eNiLnb4IakshzvP56X5Nr1iGKAIqdX6tMlm6HcNRIkr6AxO5jFEoJzzpT8aQ==",
       "dependencies": {
         "minimist": "^1.2.5",
-        "neo-async": "^2.6.0",
+        "neo-async": "^2.6.2",
         "source-map": "^0.6.1",
         "wordwrap": "^1.0.0"
       },
@@ -4952,12 +4952,12 @@
       }
     },
     "handlebars": {
-      "version": "4.7.7",
-      "resolved": "https://registry.npmjs.org/handlebars/-/handlebars-4.7.7.tgz",
-      "integrity": "sha512-aAcXm5OAfE/8IXkcZvCepKU3VzW1/39Fb5ZuqMtgI/hT8X2YgoMvBY5dLhq/cpOvw7Lk1nK/UF71aLG/ZnVYRA==",
+      "version": "4.7.8",
+      "resolved": "https://registry.npmjs.org/handlebars/-/handlebars-4.7.8.tgz",
+      "integrity": "sha512-vafaFqs8MZkRrSX7sFVUdo3ap/eNiLnb4IakshzvP56X5Nr1iGKAIqdX6tMlm6HcNRIkr6AxO5jFEoJzzpT8aQ==",
       "requires": {
         "minimist": "^1.2.5",
-        "neo-async": "^2.6.0",
+        "neo-async": "^2.6.2",
         "source-map": "^0.6.1",
         "uglify-js": "^3.1.4",
         "wordwrap": "^1.0.0"
diff --git a/package.json b/package.json
index 75f8e619..6d0363d8 100644
--- a/package.json
+++ b/package.json
@@ -34,7 +34,7 @@
     "asciidoctor": "^2.2.6",
     "asciidoctor-jupyter": "^0.5.0",
     "asciidoctor-kroki": "^0.17.0",
-    "handlebars": "^4.7.7",
+    "handlebars": "^4.7.8",
     "handlebars-utils": "^1.0.6"
   },
   "devDependencies": {