diff --git a/version.inc b/version.inc
index a83c24256..aeee79798 100644
--- a/version.inc
+++ b/version.inc
@@ -15,4 +15,4 @@ endif()
 
 # The build_version should start from 50 in master branch
 
-set(SLIC3R_VERSION "01.09.01.65")
+set(SLIC3R_VERSION "01.09.01.66")