diff --git a/build/next-release.txt b/build/next-release.txt
index f8e233b273..a01185b4d6 100644
--- a/build/next-release.txt
+++ b/build/next-release.txt
@@ -1 +1 @@
-1.9.0
+1.10.0-dev
diff --git a/configure.ac b/configure.ac
index 5a2e3198f3..a0aae4efef 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], [1.9.0], bugs@freeswitch.org)
+AC_INIT([freeswitch], [1.10.0-dev], bugs@freeswitch.org)
 AC_SUBST(SWITCH_VERSION_MAJOR, [1])
-AC_SUBST(SWITCH_VERSION_MINOR, [9])
-AC_SUBST(SWITCH_VERSION_MICRO, [0])
+AC_SUBST(SWITCH_VERSION_MINOR, [10])
+AC_SUBST(SWITCH_VERSION_MICRO, [0-dev])
 AC_SUBST(SWITCH_VERSION_REVISION, [])
 AC_SUBST(SWITCH_VERSION_REVISION_HUMAN, [])