diff --git a/hammer/technology/sky130/__init__.py b/hammer/technology/sky130/__init__.py
index 625b2c75..7c1dff88 100644
--- a/hammer/technology/sky130/__init__.py
+++ b/hammer/technology/sky130/__init__.py
@@ -470,7 +470,7 @@ def post_install_script(self) -> None:
             self.setup_cdl()
             self.setup_verilog()
         self.setup_techlef()
-        # self.setup_io_lefs()
+        self.setup_io_lefs()
         print("Loaded Sky130 Tech")
 
     def setup_cdl(self) -> None: