diff --git a/Changes b/Changes
index 392e25aa2..2aa1c55a0 100644
--- a/Changes
+++ b/Changes
@@ -2,6 +2,8 @@ Revision history for Verilator
 
 The contributors that suggested a given feature are shown in []. Thanks!
 
+* Verilator 3.909 devel
+
 * Verilator 3.908 2017-08-28
 
 ****  Support x in $readmem, bug1180. [Arthur Kahlich]
diff --git a/configure.ac b/configure.ac
index d65ba56a7..0debbba0e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -6,7 +6,7 @@
 
 #AC_INIT([Verilator],[#.### YYYY-MM-DD])
 #AC_INIT([Verilator],[#.### devel])
-AC_INIT([Verilator],[3.908 2017-08-28])
+AC_INIT([Verilator],[3.909 devel])
 # When releasing, also update header of Changes file
 
 AC_CONFIG_HEADER(src/config_build.h)