diff --git a/Makefile b/Makefile
index 77753e791..8ee539c72 100644
--- a/Makefile
+++ b/Makefile
@@ -7,7 +7,7 @@ MAKEFLAGS += --no-builtin-rules
 MAKEFLAGS += -j$(NPROCS)
 
 CURRENT_VERSION_MAJOR = 1
-CURRENT_VERSION_MINOR = 39
+CURRENT_VERSION_MINOR = 40
 CURRENT_VERSION_BUG = 0
 
 GIT_DESCRIBE := $(shell git describe)