diff --git a/VERSION b/VERSION
index f7dc9a7..d0f79bb 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-1.0.521
+1.0.522
diff --git a/gf180mcu/gf180mcu.json b/gf180mcu/gf180mcu.json
index 625e0b8..a550f44 100644
--- a/gf180mcu/gf180mcu.json
+++ b/gf180mcu/gf180mcu.json
@@ -89,10 +89,10 @@
         "magic": "MAGIC_COMMIT"
     },
     "reference": {
-        "open_pdks": "ca4dc508d0b95eb84e4b6d79ae7011b849063a18",
+        "open_pdks": "168187b63c5d574b0822badd06e8cc41fd05242f",
         "magic": "02669de267fb4b658306946d36323b6601df639d",
         "gf180mcu_pdk": "a897aa30369d3bcec87d9d50ce9b01f320f854ef",
-        "gf180mcu_fd_pr": "aacc04cc30ed119baaa616dff266cca7006dc3d6",
+        "gf180mcu_fd_pr": "e26c5860ac44646f88b1407d449e766cf15ca360",
         "gf180mcu_fd_pv": "10ee7fc75437edafa56f29f2b1872e95c9f22b71",
         "gf180mcu_fd_io": "f84fe10e67a5cb9002e9ae8210f58e570726c366",
         "gf180mcu_fd_sc_mcu7t5v0": "8743b6f9641eb8707179c4e51703380d4dc90f16",
diff --git a/sky130/sky130.json b/sky130/sky130.json
index ed2e077..81dd3e1 100644
--- a/sky130/sky130.json
+++ b/sky130/sky130.json
@@ -94,7 +94,7 @@
         "magic": "MAGIC_COMMIT"
     },
     "reference": {
-        "open_pdks": "ca4dc508d0b95eb84e4b6d79ae7011b849063a18",
+        "open_pdks": "168187b63c5d574b0822badd06e8cc41fd05242f",
         "magic": "02669de267fb4b658306946d36323b6601df639d",
         "sky130_fd_pr": "1232782c1b9fab3aacda74d67ce7c92bf7da8105",
         "sky130_fd_io": "b9c10d039816c4026f9a10cf8a200b9b5caa1b63",