diff --git a/package.json b/package.json
index e7cb750..d99fb83 100644
--- a/package.json
+++ b/package.json
@@ -55,7 +55,7 @@
     "firebase-admin": "6.1.0",
     "get-body": "^1.0.3",
     "globby": "^8.0.1",
-    "handlebars": "4.1.2",
+    "handlebars": "4.7.7",
     "is-gzip": "^2.0.0",
     "json-6": "^1.0.2",
     "json-stringify-safe": "^5.0.1",
diff --git a/yarn.lock b/yarn.lock
index 2d1725f..acc2029 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2197,10 +2197,10 @@ handlebars@4.1.2:
   optionalDependencies:
     uglify-js "^3.1.4"
 
-handlebars@^4.0.6:
-  version "4.7.6"
-  resolved "https://registry.yarnpkg.com/handlebars/-/handlebars-4.7.6.tgz#d4c05c1baf90e9945f77aa68a7a219aa4a7df74e"
-  integrity sha512-1f2BACcBfiwAfStCKZNrUCgqNZkGsAT7UM3kkYtXuLo0KnaVfjKOyf7PRzB6++aK9STyT1Pd2ZCPe3EGOXleXA==
+handlebars@4.7.7, handlebars@^4.0.6:
+  version "4.7.7"
+  resolved "https://registry.yarnpkg.com/handlebars/-/handlebars-4.7.7.tgz#9ce33416aad02dbd6c8fafa8240d5d98004945a1"
+  integrity sha512-aAcXm5OAfE/8IXkcZvCepKU3VzW1/39Fb5ZuqMtgI/hT8X2YgoMvBY5dLhq/cpOvw7Lk1nK/UF71aLG/ZnVYRA==
   dependencies:
     minimist "^1.2.5"
     neo-async "^2.6.0"