diff --git a/debian/changelog b/debian/changelog
index 9f54018934eef43650d3cfc8e4787cb2ffba1564..fb779b46e77bcbda6ba43166a7674489e43395d0 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,9 +1,15 @@
-cobuild (0.3) rolling-testing; urgency=medium
+cobuild (0.4) rolling-testing; urgency=medium
 
   * Add missing crun dependency.
 
  -- Lorenzo "Palinuro" Faletra <palinuro@parrotsec.org>  Mon, 16 Nov 2020 13:01:08 +0100
 
+cobuild (0.4) rolling-testing; urgency=medium
+
+  * Add shebang.
+
+ -- Lorenzo "Palinuro" Faletra <palinuro@parrotsec.org>  Thu, 05 Nov 2020 16:00:39 +0200
+
 cobuild (0.2) rolling-testing; urgency=medium
 
   * Make workdir copy silent.
diff --git a/src/cobuild b/src/cobuild
index f22adc829b83f0c39c00f296b41633cc91b048b1..040fac14247c39e4ec8f43bf8b42cd71547f2ac3 100755
--- a/src/cobuild
+++ b/src/cobuild
@@ -1,3 +1,5 @@
+#!/bin/bash
+
 ACTION=$1
 TARGET=$2
 SOURCE=$3
@@ -173,4 +175,4 @@ case "$ACTION" in
     *)
         echo "wip"
     ;;
-esac
\ No newline at end of file
+esac