diff --git a/sky130/librelane/sky130_fd_sc_hd/config.tcl b/sky130/librelane/sky130_fd_sc_hd/config.tcl
index 1a954da..af0ae5d 100755
--- a/sky130/librelane/sky130_fd_sc_hd/config.tcl
+++ b/sky130/librelane/sky130_fd_sc_hd/config.tcl
@@ -40,7 +40,7 @@
 set ::env(CELL_PAD_EXCLUDE) "$::env(STD_CELL_LIBRARY)__tap* $::env(STD_CELL_LIBRARY)__decap* $::env(STD_CELL_LIBRARY)__fill*"
 
 # Clk Buffers info CTS data
-set ::env(CTS_CLK_BUFFERS) "$::env(STD_CELL_LIBRARY)__clkbuf_8 $::env(STD_CELL_LIBRARY)__clkbuf_4 $::env(STD_CELL_LIBRARY)__clkbuf_2"
+set ::env(CTS_CLK_BUFFERS) "$::env(STD_CELL_LIBRARY)__clkbuf_*"
 
 set ::env(MAX_TRANSITION_CONSTRAINT) 0.75
 set ::env(MAX_FANOUT_CONSTRAINT) 10
diff --git a/sky130/librelane/sky130_fd_sc_hdll/config.tcl b/sky130/librelane/sky130_fd_sc_hdll/config.tcl
index ec1de77..ba66d97 100755
--- a/sky130/librelane/sky130_fd_sc_hdll/config.tcl
+++ b/sky130/librelane/sky130_fd_sc_hdll/config.tcl
@@ -37,7 +37,7 @@
 set ::env(CELL_PAD_EXCLUDE) "$::env(STD_CELL_LIBRARY)__tap* $::env(STD_CELL_LIBRARY)__decap* $::env(STD_CELL_LIBRARY)__fill*"
 
 # Clk Buffers info CTS data
-set ::env(CTS_CLK_BUFFERS) "$::env(STD_CELL_LIBRARY)__clkbuf_8 $::env(STD_CELL_LIBRARY)__clkbuf_4 $::env(STD_CELL_LIBRARY)__clkbuf_2"
+set ::env(CTS_CLK_BUFFERS) "$::env(STD_CELL_LIBRARY)__clkbuf_*"
 
 set ::env(MAX_TRANSITION_CONSTRAINT) 0.75
 set ::env(MAX_FANOUT_CONSTRAINT) 10
diff --git a/sky130/librelane/sky130_fd_sc_hs/config.tcl b/sky130/librelane/sky130_fd_sc_hs/config.tcl
index 7b4f16e..b268688 100755
--- a/sky130/librelane/sky130_fd_sc_hs/config.tcl
+++ b/sky130/librelane/sky130_fd_sc_hs/config.tcl
@@ -40,7 +40,7 @@
 set ::env(CELL_PAD_EXCLUDE) "$::env(STD_CELL_LIBRARY)__tap* $::env(STD_CELL_LIBRARY)__decap* $::env(STD_CELL_LIBRARY)__fill*"
 
 # Clk Buffers info CTS data
-set ::env(CTS_CLK_BUFFERS) "$::env(STD_CELL_LIBRARY)__clkbuf_8 $::env(STD_CELL_LIBRARY)__clkbuf_4 $::env(STD_CELL_LIBRARY)__clkbuf_2"
+set ::env(CTS_CLK_BUFFERS) "$::env(STD_CELL_LIBRARY)__clkbuf_*"
 
 set ::env(MAX_TRANSITION_CONSTRAINT) 0.75
 set ::env(MAX_FANOUT_CONSTRAINT) 10
diff --git a/sky130/librelane/sky130_fd_sc_hvl/config.tcl b/sky130/librelane/sky130_fd_sc_hvl/config.tcl
index d1dc395..79bb302 100644
--- a/sky130/librelane/sky130_fd_sc_hvl/config.tcl
+++ b/sky130/librelane/sky130_fd_sc_hvl/config.tcl
@@ -65,7 +65,7 @@
 set ::env(CELL_PAD_EXCLUDE) "$::env(STD_CELL_LIBRARY)__decap* $::env(STD_CELL_LIBRARY)__fill*"
 
 # Clk Buffers info CTS data
-set ::env(CTS_CLK_BUFFERS) "$::env(STD_CELL_LIBRARY)__buf_8 $::env(STD_CELL_LIBRARY)__buf_4 $::env(STD_CELL_LIBRARY)__buf_2"
+set ::env(CTS_CLK_BUFFERS) "$::env(STD_CELL_LIBRARY)__buf_*"
 
 set ::env(MAX_TRANSITION_CONSTRAINT) 0.75
 set ::env(MAX_FANOUT_CONSTRAINT) 10
diff --git a/sky130/librelane/sky130_fd_sc_ls/config.tcl b/sky130/librelane/sky130_fd_sc_ls/config.tcl
index 6aeab8f..3d67de6 100755
--- a/sky130/librelane/sky130_fd_sc_ls/config.tcl
+++ b/sky130/librelane/sky130_fd_sc_ls/config.tcl
@@ -40,7 +40,7 @@
 set ::env(CELL_PAD_EXCLUDE) "$::env(STD_CELL_LIBRARY)__tap* $::env(STD_CELL_LIBRARY)__decap* $::env(STD_CELL_LIBRARY)__fill*"
 
 # Clk Buffers info CTS data
-set ::env(CTS_CLK_BUFFERS) "$::env(STD_CELL_LIBRARY)__clkbuf_8 $::env(STD_CELL_LIBRARY)__clkbuf_4 $::env(STD_CELL_LIBRARY)__clkbuf_2"
+set ::env(CTS_CLK_BUFFERS) "$::env(STD_CELL_LIBRARY)__clkbuf_*"
 
 set ::env(MAX_TRANSITION_CONSTRAINT) 0.75
 set ::env(MAX_FANOUT_CONSTRAINT) 10
diff --git a/sky130/librelane/sky130_fd_sc_ms/config.tcl b/sky130/librelane/sky130_fd_sc_ms/config.tcl
index fa2783a..ab054bf 100755
--- a/sky130/librelane/sky130_fd_sc_ms/config.tcl
+++ b/sky130/librelane/sky130_fd_sc_ms/config.tcl
@@ -40,7 +40,7 @@
 set ::env(CELL_PAD_EXCLUDE) "$::env(STD_CELL_LIBRARY)__tap* $::env(STD_CELL_LIBRARY)__decap* $::env(STD_CELL_LIBRARY)__fill*"
 
 # Clk Buffers info CTS data
-set ::env(CTS_CLK_BUFFERS) "$::env(STD_CELL_LIBRARY)__clkbuf_8 $::env(STD_CELL_LIBRARY)__clkbuf_4 $::env(STD_CELL_LIBRARY)__clkbuf_2"
+set ::env(CTS_CLK_BUFFERS) "$::env(STD_CELL_LIBRARY)__clkbuf_*"
 
 set ::env(MAX_TRANSITION_CONSTRAINT) 0.75
 set ::env(MAX_FANOUT_CONSTRAINT) 10