diff --git a/docs/debian.md b/docs/debian.md
index e99b0cf..1fb291f 100644
--- a/docs/debian.md
+++ b/docs/debian.md
@@ -8,7 +8,7 @@ this git repository with git-buildpackage and sbuild.
 Install Debian dependencies :
 
 ~~~
-apt install git-buildpackage sbuild
+apt install git-buildpackage sbuild dh-exec
 ~~~
 
 Add your user to sbuild :