diff --git a/Makefile b/Makefile
index bd72d873..b9e2ad1f 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 ?= c094b6e83a4f9298e47f696ec5a7fd53535ec5eb
-OPEN_PDKS_COMMIT ?= 05af1d05227419f0955cd98610351f4680575b95
+OPEN_PDKS_COMMIT ?= 8f6aff1881e5feae49acb6d5be53c4acc91bb235
 # = 1.0.303
 PDK_MAGIC_COMMIT ?= fe2eb6d3906ed15ade0e7a51daea80dd4e3846e2
 # = 8.3.294