diff --git a/live/INAT/index.idx b/live/INAT/index.idx
index ac6ce2d..d79a547 100644
--- a/live/INAT/index.idx
+++ b/live/INAT/index.idx
@@ -1,6 +1,6 @@
 min_slic3r_version = 2.5.0-alpha0
 0.0.4 Improve Proton X profiles, Add Proton XE-750 printer
-min_slic3r_version = 2.4.1
+min_slic3r_version = 2.3.1-beta
 0.0.3 Set default filament profile.
 0.0.2 Improved start gcode, changed filename format
 0.0.1 Initial version