diff --git a/Makefile b/Makefile
index f9594cb0..0badba39 100644
--- a/Makefile
+++ b/Makefile
@@ -86,7 +86,7 @@ SPECIAL_VOLTAGE_LIBRARY ?= sky130_fd_sc_hvl
 IO_LIBRARY ?= sky130_fd_io
 PRIMITIVES_LIBRARY ?= sky130_fd_pr
 SKYWATER_COMMIT ?= f70d8ca46961ff92719d8870a18a076370b85f6c
-OPEN_PDKS_COMMIT ?= de752ec0ba4da0ecb1fbcd309eeec4993d88f5bc
+OPEN_PDKS_COMMIT ?= a56526bfe45971322526978132b059d43ddd3a02
 # = 1.0.303
 PDK_MAGIC_COMMIT ?= 085131b090cb511d785baf52a10cf6df8a657d44
 # = 8.3.294