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diff --git a/revision.txt b/revision.txt
index be9c1f5..b24ba38 100644
--- a/revision.txt
+++ b/revision.txt
@@ -2,7 +2,7 @@
 
 BOARD_PREFIX=alphax_
 BOARD_SUFFIX=8ch
-BOARD_REVISION=b
+BOARD_REVISION=c
 
 # does not affect fab files, only needed to have nice rendered preview
 BOARD_PCB_OFFSET=0,358