diff --git a/build/next-release.txt b/build/next-release.txt
index 771411b02f..8cc8fe024b 100644
--- a/build/next-release.txt
+++ b/build/next-release.txt
@@ -1 +1 @@
-1.4.20
+1.4.21
diff --git a/configure.ac b/configure.ac
index 3d3b9a4784..43c74f9b1c 100644
--- a/configure.ac
+++ b/configure.ac
@@ -3,10 +3,10 @@
 
 # Must change all of the below together
 # For a release, set revision for that tagged release as well and uncomment
-AC_INIT([freeswitch], [1.4.20], bugs@freeswitch.org)
+AC_INIT([freeswitch], [1.4.21], bugs@freeswitch.org)
 AC_SUBST(SWITCH_VERSION_MAJOR, [1])
 AC_SUBST(SWITCH_VERSION_MINOR, [4])
-AC_SUBST(SWITCH_VERSION_MICRO, [20])
+AC_SUBST(SWITCH_VERSION_MICRO, [21])
 AC_SUBST(SWITCH_VERSION_REVISION, [])
 AC_SUBST(SWITCH_VERSION_REVISION_HUMAN, [])