diff --git a/packages/aaa-mailer/package.json b/packages/aaa-mailer/package.json
index b1fb054..5da950c 100644
--- a/packages/aaa-mailer/package.json
+++ b/packages/aaa-mailer/package.json
@@ -21,7 +21,7 @@
     "@aaa-backend-stack/utils": "^2.3.4",
     "@types/lodash": "4.14.144",
     "@types/nodemailer": "6.2.1",
-    "handlebars": "4.3.0",
+    "handlebars": "4.5.3",
     "lodash": "4.17.15",
     "nodemailer": "6.3.1",
     "nodemailer-direct-transport": "3.3.2",
diff --git a/packages/aaa-rest/package.json b/packages/aaa-rest/package.json
index c6cb529..9257b42 100644
--- a/packages/aaa-rest/package.json
+++ b/packages/aaa-rest/package.json
@@ -27,7 +27,7 @@
     "@types/multiparty": "0.0.31",
     "@types/vision": "4.1.1",
     "boom": "4.3.1",
-    "handlebars": "4.3.0",
+    "handlebars": "4.5.3",
     "hapi": "14.2.0",
     "hapi-auth-basic": "4.2.0",
     "hapi-auth-bearer-token": "4.3.1",
diff --git a/yarn.lock b/yarn.lock
index c28130d..eec2f9e 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3270,10 +3270,10 @@ gtoken@^2.3.0:
     mime "^2.2.0"
     pify "^3.0.0"
 
-handlebars@4.3.0, handlebars@4.x.x, handlebars@^4.0.10, handlebars@^4.0.11, handlebars@^4.0.2:
-  version "4.3.0"
-  resolved "https://registry.yarnpkg.com/handlebars/-/handlebars-4.3.0.tgz#427391b584626c9c9c6ffb7d1fb90aa9789221cc"
-  integrity sha512-7XlnO8yBXOdi7AzowjZssQr47Ctidqm7GbgARapOaqSN9HQhlClnOkR9HieGauIT3A8MBC6u9wPCXs97PCYpWg==
+handlebars@4.5.3, handlebars@4.x.x, handlebars@^4.0.10, handlebars@^4.0.11, handlebars@^4.0.2:
+  version "4.5.3"
+  resolved "https://registry.yarnpkg.com/handlebars/-/handlebars-4.5.3.tgz#5cf75bd8714f7605713511a56be7c349becb0482"
+  integrity sha512-3yPecJoJHK/4c6aZhSvxOyG4vJKDshV36VHp0iVCDVh7o9w2vwi3NSnL2MMPj3YdduqaBcu7cGbggJQM0br9xA==
   dependencies:
     neo-async "^2.6.0"
     optimist "^0.6.1"
@@ -6871,16 +6871,11 @@ source-map-support@0.4.x:
   dependencies:
     source-map "^0.5.6"
 
-source-map@0.5.x, source-map@^0.5.0:
+source-map@0.5.x, source-map@^0.5.0, source-map@^0.5.6:
   version "0.5.7"
   resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.5.7.tgz#8a039d2d1021d22d1ea14c80d8ea468ba2ef3fcc"
   integrity sha1-igOdLRAh0i0eoUyA2OpGi6LvP8w=
 
-source-map@^0.5.6:
-  version "0.5.6"
-  resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.5.6.tgz#75ce38f52bf0733c5a7f0c118d81334a2bb5f412"
-  integrity sha1-dc449SvwczxafwwRjYEzSiu19BI=
-
 source-map@^0.6.1, source-map@~0.6.1:
   version "0.6.1"
   resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.6.1.tgz#74722af32e9614e9c287a8d0bbde48b5e2f1a263"