diff --git a/.devcontainer/Dockerfile b/.devcontainer/Dockerfile
index 0f2425a..75534a5 100644
--- a/.devcontainer/Dockerfile
+++ b/.devcontainer/Dockerfile
@@ -1,3 +1,7 @@
+# SPDX-FileCopyrightText: 2024 Jev Kuznetsov, written for Adafruit Industries
+#
+# SPDX-License-Identifier: MIT
+
 FROM python:3-slim
 
 ARG USERNAME=dev
diff --git a/.devcontainer/devcontainer.json.license b/.devcontainer/devcontainer.json.license
new file mode 100644
index 0000000..729eea1
--- /dev/null
+++ b/.devcontainer/devcontainer.json.license
@@ -0,0 +1,3 @@
+# SPDX-FileCopyrightText: 2024 Jev Kuznetsov, written for Adafruit Industries
+#
+# SPDX-License-Identifier: MIT
diff --git a/.devcontainer/prepare_host.sh b/.devcontainer/prepare_host.sh
index f71d1da..a1a1160 100755
--- a/.devcontainer/prepare_host.sh
+++ b/.devcontainer/prepare_host.sh
@@ -1,5 +1,10 @@
 #!/bin/bash
 
+# SPDX-FileCopyrightText: 2024 Jev Kuznetsov, written for Adafruit Industries
+#
+# SPDX-License-Identifier: MIT
+
+
 # this script prepares the host for the devcontainer.
 
 
diff --git a/.devcontainer/requirements.txt.license b/.devcontainer/requirements.txt.license
new file mode 100644
index 0000000..729eea1
--- /dev/null
+++ b/.devcontainer/requirements.txt.license
@@ -0,0 +1,3 @@
+# SPDX-FileCopyrightText: 2024 Jev Kuznetsov, written for Adafruit Industries
+#
+# SPDX-License-Identifier: MIT
diff --git a/pyproject.toml b/pyproject.toml
index 132e528..73ff1d9 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,3 +1,7 @@
+# SPDX-FileCopyrightText: 2024 Jev Kuznetsov, written for Adafruit Industries
+#
+# SPDX-License-Identifier: MIT
+
 [build-system]
 requires = ["setuptools>=61.0", "setuptools-scm"]
 build-backend = "setuptools.build_meta"
@@ -67,4 +71,3 @@ homepage = "https://github.com/adafruit/circup"
 [tool.setuptools.packages.find]
 where = ["."]  # This tells setuptools to look in the project root directory
 include = ["circup"]  # This pattern includes your main package and any sub-packages within it
-