diff --git a/package.json b/package.json
index dec0226..196717a 100644
--- a/package.json
+++ b/package.json
@@ -16,7 +16,7 @@
     "gatsby-remark-prismjs": "^2.0.1",
     "gatsby-source-filesystem": "^1.5.33",
     "gatsby-transformer-remark": "^1.7.40",
-    "handlebars": "^4.1.2",
+    "handlebars": "^4.3.0",
     "js-yaml": "^3.13.1",
     "lodash": "^4.17.13",
     "lodash-es": "^4.17.14",
diff --git a/yarn.lock b/yarn.lock
index 8daf31e..b86e4a6 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4020,9 +4020,9 @@ handle-thing@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/handle-thing/-/handle-thing-2.0.0.tgz#0e039695ff50c93fc288557d696f3c1dc6776754"
 
-handlebars@^4.1.2:
-  version "4.1.2"
-  resolved "https://registry.yarnpkg.com/handlebars/-/handlebars-4.1.2.tgz#b6b37c1ced0306b221e094fc7aca3ec23b131b67"
+handlebars@^4.3.0:
+  version "4.3.0"
+  resolved "https://registry.yarnpkg.com/handlebars/-/handlebars-4.3.0.tgz#427391b584626c9c9c6ffb7d1fb90aa9789221cc"
   dependencies:
     neo-async "^2.6.0"
     optimist "^0.6.1"