diff --git a/theia-extensions/theia-concourse/yarn.lock b/theia-extensions/theia-concourse/yarn.lock
index dfc65f3f9..6bc785e9a 100644
--- a/theia-extensions/theia-concourse/yarn.lock
+++ b/theia-extensions/theia-concourse/yarn.lock
@@ -4168,7 +4168,7 @@ conventional-changelog-writer@^4.0.6:
     compare-func "^1.3.1"
     conventional-commits-filter "^2.0.2"
     dateformat "^3.0.0"
-    handlebars "^4.4.0"
+    handlebars "^4.3.0"
     json-stringify-safe "^5.0.1"
     lodash "^4.17.15"
     meow "^4.0.0"
@@ -5881,7 +5881,7 @@ grouped-queue@^0.3.3:
   dependencies:
     lodash "^4.17.2"
 
-handlebars@^4.4.0:
+handlebars@^4.3.0:
   version "4.5.2"
   resolved "https://registry.yarnpkg.com/handlebars/-/handlebars-4.5.2.tgz#5a4eb92ab5962ca3415ac188c86dc7f784f76a0f"
   integrity sha512-29Zxv/cynYB7mkT1rVWQnV7mGX6v7H/miQ6dbEpYTKq5eJBN7PsRB+ViYJlcT6JINTSu4dVB9kOqEun78h6Exg==