diff --git a/openlane/user_proj_example/config.json b/openlane/user_proj_example/config.json
index a7671cd..c3de8af 100644
--- a/openlane/user_proj_example/config.json
+++ b/openlane/user_proj_example/config.json
@@ -1,4 +1,6 @@
 {
+    "PDK"                      : "sky130A",
+    "STD_CELL_LIBRARY"         : "sky130_fd_sc_hd",
     "CARAVEL_ROOT"             : "../../caravel",
     "CLOCK_NET"                : "counter.clk",
     "CLOCK_PERIOD"             : "10",
diff --git a/openlane/user_proj_example/config.tcl b/openlane/user_proj_example/config.tcl
index 2aa188c..94af8ba 100755
--- a/openlane/user_proj_example/config.tcl
+++ b/openlane/user_proj_example/config.tcl
@@ -13,6 +13,9 @@
 # limitations under the License.
 # SPDX-License-Identifier: Apache-2.0
 
+set ::env(PDK) "sky130A"
+set ::env(STD_CELL_LIBRARY) "sky130_fd_sc_hd"
+
 set script_dir [file dirname [file normalize [info script]]]
 
 set ::env(DESIGN_NAME) user_proj_example
diff --git a/openlane/user_project_wrapper/config.json b/openlane/user_project_wrapper/config.json
index ace94af..d83d5bb 100644
--- a/openlane/user_project_wrapper/config.json
+++ b/openlane/user_project_wrapper/config.json
@@ -1,4 +1,6 @@
 {
+    "PDK"                             : "sky130A",
+    "STD_CELL_LIBRARY"                : "sky130_fd_sc_hd",
     "CARAVEL_ROOT"                    : "../../caravel",
     "CLOCK_NET"                       : "mprj.clk",
     "CLOCK_PERIOD"                    : "10",
diff --git a/openlane/user_project_wrapper/config.tcl b/openlane/user_project_wrapper/config.tcl
index c94b7a0..5006ced 100755
--- a/openlane/user_project_wrapper/config.tcl
+++ b/openlane/user_project_wrapper/config.tcl
@@ -16,6 +16,9 @@
 # Base Configurations. Don't Touch
 # section begin
 
+set ::env(PDK) "sky130A"
+set ::env(STD_CELL_LIBRARY) "sky130_fd_sc_hd"
+
 # YOU ARE NOT ALLOWED TO CHANGE ANY VARIABLES DEFINED IN THE FIXED WRAPPER CFGS 
 source $::env(CARAVEL_ROOT)/openlane/user_project_wrapper_empty/fixed_wrapper_cfgs.tcl