1 files changed, 1 insertions, 1 deletions
diff --git a/greenlet.h b/greenlet.h
index d68160b..cf48a06 100644
--- a/greenlet.h
+++ b/greenlet.h
@@ -11,7 +11,7 @@
 extern "C" {
 #endif
 
-#define GREENLET_VERSION "0.4.17"
+#define GREENLET_VERSION "1.0.0.dev0"
 
 #if PY_VERSION_HEX >= 0x030700A3
 #  define GREENLET_USE_EXC_INFO