diff --git a/Makefile b/Makefile
index be798cf..c82563a 100644
--- a/Makefile
+++ b/Makefile
@@ -19,7 +19,7 @@
 SIM ?= RTL
 
 export OPEN_PDKS_COMMIT?=41c0908b47130d5675ff8484255b43f66463a7d6
-export PDK?=sky130B
+export PDK?=sky130A
 export PDKPATH?=$(PDK_ROOT)/$(PDK)
 # Install lite version of caravel, (1): caravel-lite, (0): caravel
 CARAVEL_LITE?=1