diff --git a/tasks/main.yml b/tasks/main.yml
index 9af5812..aac3764 100755
--- a/tasks/main.yml
+++ b/tasks/main.yml
@@ -23,6 +23,7 @@
       - make
       - golang-go
       - libsrtp2-1
+      - protobuf-compiler
 
 - name: clone signaling server
   git: