diff --git a/actor/linux/debian/changelog b/actor/linux/debian/changelog
index e326603d..2181da93 100644
--- a/actor/linux/debian/changelog
+++ b/actor/linux/debian/changelog
@@ -1,3 +1,9 @@
+udsactor (4.0.0) stable; urgency=medium
+
+  * Upgraded to 4.0.0 release
+
+ -- Adolfo Gómez García <agomez@virtualcable.es>  Mon, 5 Oct 2021 12:54:18 +0200
+
 udsactor (3.5.0) stable; urgency=medium
 
   * Upgraded to 3.5.0 release
diff --git a/actor/src/udsactor/version.py b/actor/src/udsactor/version.py
index 8ee9c90b..6f9f924e 100644
--- a/actor/src/udsactor/version.py
+++ b/actor/src/udsactor/version.py
@@ -1 +1 @@
-VERSION = '3.5.0'
+VERSION = '4.0.0'
diff --git a/client-py3/full/linux/debian/changelog b/client-py3/full/linux/debian/changelog
index 2e1b31d0..106eb4ec 100644
--- a/client-py3/full/linux/debian/changelog
+++ b/client-py3/full/linux/debian/changelog
@@ -1,3 +1,9 @@
+udsclient3 (4.0.0) stable; urgency=medium
+
+  * Upgraded to 4.0.0 release
+
+ -- Adolfo Gómez García <agomez@virtualcable.es>  Mon, 5 Oct 2021 12:54:18 +0200
+
 udsclient3 (3.5.0) stable; urgency=medium
 
   * Upgraded to 3.5.0 release
diff --git a/client-py3/full/linux/debian/files b/client-py3/full/linux/debian/files
index 117c1d5d..1ff00fda 100644
--- a/client-py3/full/linux/debian/files
+++ b/client-py3/full/linux/debian/files
@@ -1,2 +1,2 @@
-udsclient3_3.5.0_all.deb admin optional
-udsclient3_3.5.0_amd64.buildinfo admin optional
+udsclient3_4.0.0_all.deb admin optional
+udsclient3_4.0.0_amd64.buildinfo admin optional