[LICENSE] Copyright -> SPDX-FileCopyrightText:
diff --git a/openlane/DFFRAM/config.tcl b/openlane/DFFRAM/config.tcl
index 2a4b17b..4fd507e 100644
--- a/openlane/DFFRAM/config.tcl
+++ b/openlane/DFFRAM/config.tcl
@@ -1,4 +1,4 @@
-# Copyright 2020 Efabless Corporation
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
diff --git a/openlane/DFFRAM/pdn.tcl b/openlane/DFFRAM/pdn.tcl
index b3feb71..fcfb113 100644
--- a/openlane/DFFRAM/pdn.tcl
+++ b/openlane/DFFRAM/pdn.tcl
@@ -1,4 +1,4 @@
-# Copyright 2020 Efabless Corporation
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
diff --git a/openlane/caravel/config.tcl b/openlane/caravel/config.tcl
index be674c6..9659160 100755
--- a/openlane/caravel/config.tcl
+++ b/openlane/caravel/config.tcl
@@ -1,4 +1,4 @@
-# Copyright 2020 Efabless Corporation
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
diff --git a/openlane/caravel/interactive.lvs.tcl b/openlane/caravel/interactive.lvs.tcl
index f009946..dc890e8 100755
--- a/openlane/caravel/interactive.lvs.tcl
+++ b/openlane/caravel/interactive.lvs.tcl
@@ -1,4 +1,4 @@
-# Copyright 2020 Efabless Corporation
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
diff --git a/openlane/caravel/interactive.tcl b/openlane/caravel/interactive.tcl
index 8584fde..7b48890 100755
--- a/openlane/caravel/interactive.tcl
+++ b/openlane/caravel/interactive.tcl
@@ -1,4 +1,4 @@
-# Copyright 2020 Efabless Corporation
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
diff --git a/openlane/chip_io/config.tcl b/openlane/chip_io/config.tcl
index 62be896..a91eb71 100755
--- a/openlane/chip_io/config.tcl
+++ b/openlane/chip_io/config.tcl
@@ -1,4 +1,4 @@
-# Copyright 2020 Efabless Corporation
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
diff --git a/openlane/chip_io/interactive.tcl b/openlane/chip_io/interactive.tcl
index 8dd4d94..6d6ce6f 100755
--- a/openlane/chip_io/interactive.tcl
+++ b/openlane/chip_io/interactive.tcl
@@ -1,4 +1,4 @@
-# Copyright 2020 Efabless Corporation
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
diff --git a/openlane/digital_pll/config.tcl b/openlane/digital_pll/config.tcl
index dc69dbf..52fd192 100644
--- a/openlane/digital_pll/config.tcl
+++ b/openlane/digital_pll/config.tcl
@@ -1,4 +1,4 @@
-# Copyright 2020 Efabless Corporation
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
diff --git a/openlane/digital_pll/pdn.tcl b/openlane/digital_pll/pdn.tcl
index 595294e..b107e46 100644
--- a/openlane/digital_pll/pdn.tcl
+++ b/openlane/digital_pll/pdn.tcl
@@ -1,4 +1,4 @@
-# Copyright 2020 Efabless Corporation
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
diff --git a/openlane/gpio_control_block/config.tcl b/openlane/gpio_control_block/config.tcl
index 640bbf8..ffb9bdb 100644
--- a/openlane/gpio_control_block/config.tcl
+++ b/openlane/gpio_control_block/config.tcl
@@ -1,4 +1,4 @@
-# Copyright 2020 Efabless Corporation
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
diff --git a/openlane/mgmt_core/config.tcl b/openlane/mgmt_core/config.tcl
index 72e615e..8931d38 100644
--- a/openlane/mgmt_core/config.tcl
+++ b/openlane/mgmt_core/config.tcl
@@ -1,4 +1,4 @@
-# Copyright 2020 Efabless Corporation
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
diff --git a/openlane/mgmt_core/pdn.tcl b/openlane/mgmt_core/pdn.tcl
index 1430d5a..1fe689b 100644
--- a/openlane/mgmt_core/pdn.tcl
+++ b/openlane/mgmt_core/pdn.tcl
@@ -1,4 +1,4 @@
-# Copyright 2020 Efabless Corporation
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
diff --git a/openlane/mgmt_protect/config.tcl b/openlane/mgmt_protect/config.tcl
index 714dd7f..c1ffd39 100755
--- a/openlane/mgmt_protect/config.tcl
+++ b/openlane/mgmt_protect/config.tcl
@@ -1,4 +1,4 @@
-# Copyright 2020 Efabless Corporation
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
diff --git a/openlane/mgmt_protect_hv/config.tcl b/openlane/mgmt_protect_hv/config.tcl
index 71eceb3..700e213 100644
--- a/openlane/mgmt_protect_hv/config.tcl
+++ b/openlane/mgmt_protect_hv/config.tcl
@@ -1,4 +1,4 @@
-# Copyright 2020 Efabless Corporation
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
diff --git a/openlane/sky130_fd_sc_hvl__lsbufhv2lv_1_wrapped/config.tcl b/openlane/sky130_fd_sc_hvl__lsbufhv2lv_1_wrapped/config.tcl
index 2a63660..ff94c1c 100644
--- a/openlane/sky130_fd_sc_hvl__lsbufhv2lv_1_wrapped/config.tcl
+++ b/openlane/sky130_fd_sc_hvl__lsbufhv2lv_1_wrapped/config.tcl
@@ -1,4 +1,4 @@
-# Copyright 2020 Efabless Corporation
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
diff --git a/openlane/storage/config.tcl b/openlane/storage/config.tcl
index 59fb951..7b3f58a 100644
--- a/openlane/storage/config.tcl
+++ b/openlane/storage/config.tcl
@@ -1,4 +1,4 @@
-# Copyright 2020 Efabless Corporation
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
diff --git a/openlane/storage/pdn.tcl b/openlane/storage/pdn.tcl
index ef4a029..cdf2479 100644
--- a/openlane/storage/pdn.tcl
+++ b/openlane/storage/pdn.tcl
@@ -1,4 +1,4 @@
-# Copyright 2020 Efabless Corporation
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
diff --git a/openlane/user_id_programming/config.tcl b/openlane/user_id_programming/config.tcl
index 9d870f9..2e9526b 100755
--- a/openlane/user_id_programming/config.tcl
+++ b/openlane/user_id_programming/config.tcl
@@ -1,4 +1,4 @@
-# Copyright 2020 Efabless Corporation
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
diff --git a/openlane/user_proj_example/config.tcl b/openlane/user_proj_example/config.tcl
index 52cc64f..f844bf7 100644
--- a/openlane/user_proj_example/config.tcl
+++ b/openlane/user_proj_example/config.tcl
@@ -1,4 +1,4 @@
-# Copyright 2020 Efabless Corporation
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
diff --git a/openlane/user_project_wrapper/interactive.tcl b/openlane/user_project_wrapper/interactive.tcl
index 27ccd59..078bf98 100644
--- a/openlane/user_project_wrapper/interactive.tcl
+++ b/openlane/user_project_wrapper/interactive.tcl
@@ -1,4 +1,4 @@
-# Copyright 2020 Efabless Corporation
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
diff --git a/openlane/user_project_wrapper/pdn.tcl b/openlane/user_project_wrapper/pdn.tcl
index ad170df..a3c8e6a 100644
--- a/openlane/user_project_wrapper/pdn.tcl
+++ b/openlane/user_project_wrapper/pdn.tcl
@@ -1,4 +1,4 @@
-# Copyright 2020 Efabless Corporation
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
diff --git a/openlane/user_project_wrapper_empty/config.tcl b/openlane/user_project_wrapper_empty/config.tcl
index 9451860..faaee02 100644
--- a/openlane/user_project_wrapper_empty/config.tcl
+++ b/openlane/user_project_wrapper_empty/config.tcl
@@ -1,4 +1,4 @@
-# Copyright 2020 Efabless Corporation
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
diff --git a/openlane/user_project_wrapper_empty/gen_pdn.tcl b/openlane/user_project_wrapper_empty/gen_pdn.tcl
index eb793ad..fc5bc42 100644
--- a/openlane/user_project_wrapper_empty/gen_pdn.tcl
+++ b/openlane/user_project_wrapper_empty/gen_pdn.tcl
@@ -1,4 +1,4 @@
-# Copyright 2020 Efabless Corporation
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
diff --git a/openlane/user_project_wrapper_empty/interactive.tcl b/openlane/user_project_wrapper_empty/interactive.tcl
index f5ee85e..8bd2ef6 100644
--- a/openlane/user_project_wrapper_empty/interactive.tcl
+++ b/openlane/user_project_wrapper_empty/interactive.tcl
@@ -1,4 +1,4 @@
-# Copyright 2020 Efabless Corporation
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
diff --git a/openlane/user_project_wrapper_empty/pdn.tcl b/openlane/user_project_wrapper_empty/pdn.tcl
index ad170df..a3c8e6a 100644
--- a/openlane/user_project_wrapper_empty/pdn.tcl
+++ b/openlane/user_project_wrapper_empty/pdn.tcl
@@ -1,4 +1,4 @@
-# Copyright 2020 Efabless Corporation
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
