diff --git a/roles/ntopng/vars/os_Ubuntu_20.yml b/roles/ntopng/vars/os_Ubuntu_20.yml
index f6a8269..a0d4681 100644
--- a/roles/ntopng/vars/os_Ubuntu_20.yml
+++ b/roles/ntopng/vars/os_Ubuntu_20.yml
@@ -15,3 +15,4 @@ ntopng_dependency_packages:
   - git
   - build-essential
   - libczmq-dev
+  - cmake