diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 048c67c3..8626ec6b 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -22,6 +22,13 @@ repos:
     args: [--autofix, --indent, '2']
   - id: pretty-format-yaml
     args: [--autofix, --indent, '2']
+- repo: https://github.com/Lucas-C/pre-commit-hooks
+  rev: v1.5.4
+  hooks:
+  - id: insert-license
+    types: [python]
+    args: [--license-filepath=docs/license_header.txt]
+    exclude: docs
 - repo: https://github.com/astral-sh/ruff-pre-commit
   rev: v0.1.11
   hooks:
diff --git a/docs/license_header.txt b/docs/license_header.txt
new file mode 100644
index 00000000..4415331c
--- /dev/null
+++ b/docs/license_header.txt
@@ -0,0 +1,3 @@
+SPDX-FileCopyrightText: 2020 PANGAEA (https://www.pangaea.de/)
+
+SPDX-License-Identifier: MIT