diff --git a/sky130/openlane/sky130_fd_sc_hvl/config.tcl b/sky130/openlane/sky130_fd_sc_hvl/config.tcl
index 336ac4e..2e261dd 100644
--- a/sky130/openlane/sky130_fd_sc_hvl/config.tcl
+++ b/sky130/openlane/sky130_fd_sc_hvl/config.tcl
@@ -2,11 +2,17 @@
 # Technology lib
 
 #ifdef EF_FORMAT
-set ::env(LIB_SYNTH) "$::env(PDK_ROOT)/$::env(PDK)/libs.ref/lib/$::env(STD_CELL_LIBRARY)/sky130_fd_sc_hvl__tt_025C_3v30.lib"
+set ::env(LIB_SYNTH) "\
+	$::env(PDK_ROOT)/$::env(PDK)/libs.ref/lib/$::env(STD_CELL_LIBRARY)/sky130_fd_sc_hvl__tt_025C_3v30.lib\
+	$::env(PDK_ROOT)/$::env(PDK)/libs.ref/lib/$::env(STD_CELL_LIBRARY)/sky130_fd_sc_hvl__tt_025C_3v30_lv1v80.lib\
+	"
 set ::env(LIB_FASTEST) "$::env(PDK_ROOT)/$::env(PDK)/libs.ref/lib/$::env(STD_CELL_LIBRARY)/sky130_fd_sc_hvl__ff_n40C_5v50.lib"
 set ::env(LIB_SLOWEST) "$::env(PDK_ROOT)/$::env(PDK)/libs.ref/lib/$::env(STD_CELL_LIBRARY)/sky130_fd_sc_hvl__ss_150C_1v65.lib"
 #else (!EF_FORMAT)
-set ::env(LIB_SYNTH) "$::env(PDK_ROOT)/$::env(PDK)/libs.ref/$::env(STD_CELL_LIBRARY)/lib/sky130_fd_sc_hvl__tt_025C_3v30.lib"
+set ::env(LIB_SYNTH) "\
+	$::env(PDK_ROOT)/$::env(PDK)/libs.ref/$::env(STD_CELL_LIBRARY)/lib/sky130_fd_sc_hvl__tt_025C_3v30.lib\
+	$::env(PDK_ROOT)/$::env(PDK)/libs.ref/$::env(STD_CELL_LIBRARY)/lib/sky130_fd_sc_hvl__tt_025C_3v30_lv1v80.lib\
+	"
 set ::env(LIB_FASTEST) "$::env(PDK_ROOT)/$::env(PDK)/libs.ref/$::env(STD_CELL_LIBRARY)/lib/sky130_fd_sc_hvl__ff_n40C_5v50.lib"
 set ::env(LIB_SLOWEST) "$::env(PDK_ROOT)/$::env(PDK)/libs.ref/$::env(STD_CELL_LIBRARY)/lib/sky130_fd_sc_hvl__ss_150C_1v65.lib"
 #endif (!EF_FORMAT)