diff --git a/debian/changelog b/debian/changelog
index c7017bb..333ed7c 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -17,6 +17,7 @@
     + Build-Depends: Drop versioned constraint on ruby-omniauth-oauth2.
     + ruby-omniauth-facebook: Drop versioned constraint on ruby-omniauth-oauth2
       in Depends.
+  * Update watch file format version to 4.
 
  -- Utkarsh Gupta <guptautkarsh2102@gmail.com>  Tue, 13 Aug 2019 06:15:37 +0530
 
diff --git a/debian/watch b/debian/watch
index 442af64..6233c99 100644
--- a/debian/watch
+++ b/debian/watch
@@ -1,2 +1,2 @@
-version=3
+version=4
 https://pkg-ruby-extras.alioth.debian.org/cgi-bin/gemwatch/omniauth-facebook .*/omniauth-facebook-(.*).tar.gz