diff --git a/Changes b/Changes
index f0ab90451..5871eb4d7 100644
--- a/Changes
+++ b/Changes
@@ -3,6 +3,9 @@ Revision history for Verilator
 The contributors that suggested a given feature are shown in []. Thanks!
 
 
+* Verilator 4.037 devel
+
+
 * Verilator 4.036 2020-06-06
 
 **    OPT_FAST is now -Os by default. See the BENCHMARKING & OPTIMIZATION part
diff --git a/configure.ac b/configure.ac
index 809200482..7ecdd2e24 100644
--- a/configure.ac
+++ b/configure.ac
@@ -7,7 +7,7 @@
 
 #AC_INIT([Verilator],[#.### YYYY-MM-DD])
 #AC_INIT([Verilator],[#.### devel])
-AC_INIT([Verilator],[4.036 2020-06-06],
+AC_INIT([Verilator],[4.037 devel],
         [https://verilator.org],
         [verilator],[https://verilator.org])
 # When releasing, also update header of Changes file