24 files changed, 24 insertions, 24 deletions
diff --git a/README.md b/README.md
index a290ca6..411d013 100644
--- a/README.md
+++ b/README.md
@@ -9,4 +9,4 @@ To see these are composed, consider looking into the `examples/` directory.
 
 License
 -------
-GPL-2+
+LGPL-2.0-or-later
diff --git a/examples/cgroup.py b/examples/cgroup.py
index cd6f743..3bc1c83 100755
--- a/examples/cgroup.py
+++ b/examples/cgroup.py
@@ -1,6 +1,6 @@
 #!/usr/bin/python3
 # Copyright 2024 Helmut Grohne <helmut@subdivi.de>
-# SPDX-License-Identifier: GPL-2+
+# SPDX-License-Identifier: LGPL-2.0-or-later
 
 """Unshare a cgroup (and user) namespace such that the entire cgroup hierarchy
 (inside the namespace) becomes writeable to the user.
diff --git a/examples/chhostname.py b/examples/chhostname.py
index de1ee42..d1b8394 100755
--- a/examples/chhostname.py
+++ b/examples/chhostname.py
@@ -1,6 +1,6 @@
 #!/usr/bin/python3
 # Copyright 2024 Helmut Grohne <helmut@subdivi.de>
-# SPDX-License-Identifier: GPL-2+
+# SPDX-License-Identifier: LGPL-2.0-or-later
 
 """Unshare a UTS (and user and mount) namespace and change the hostname."""
 
diff --git a/examples/chrootfuse.py b/examples/chrootfuse.py
index 0eeb5ce..49404da 100755
--- a/examples/chrootfuse.py
+++ b/examples/chrootfuse.py
@@ -1,6 +1,6 @@
 #!/usr/bin/python3
 # Copyright 2024 Helmut Grohne <helmut@subdivi.de>
-# SPDX-License-Identifier: GPL-2+
+# SPDX-License-Identifier: LGPL-2.0-or-later
 
 """Mount a given filesystem image inside a user and mount namespace using
 an unprivileged fuse driver and chroot into the mounted filesystem. Supported
diff --git a/examples/chroottar.py b/examples/chroottar.py
index 095712a..ec76813 100755
--- a/examples/chroottar.py
+++ b/examples/chroottar.py
@@ -1,6 +1,6 @@
 #!/usr/bin/python3
 # Copyright 2024 Helmut Grohne <helmut@subdivi.de>
-# SPDX-License-Identifier: GPL-2+
+# SPDX-License-Identifier: LGPL-2.0-or-later
 
 """Extract a given tarball into a temporary location and chroot into it inside
 a user and mount namespace.
diff --git a/examples/fakeroot.py b/examples/fakeroot.py
index 9679bab..49306bf 100755
--- a/examples/fakeroot.py
+++ b/examples/fakeroot.py
@@ -1,6 +1,6 @@
 #!/usr/bin/python3
 # Copyright 2024 Helmut Grohne <helmut@subdivi.de>
-# SPDX-License-Identifier: GPL-2+
+# SPDX-License-Identifier: LGPL-2.0-or-later
 
 """Vaguely emulate fakeroot using a user namespace that maps the current user
 and group to root and the rest of the low range to a subuid range without
diff --git a/examples/netnsslirp.py b/examples/netnsslirp.py
index 92f473b..5bd829c 100755
--- a/examples/netnsslirp.py
+++ b/examples/netnsslirp.py
@@ -1,6 +1,6 @@
 #!/usr/bin/python3
 # Copyright 2024 Helmut Grohne <helmut@subdivi.de>
-# SPDX-License-Identifier: GPL-2+
+# SPDX-License-Identifier: LGPL-2.0-or-later
 
 """Construct a network namespace with a host0 interface backed by slirp4netns.
 """
diff --git a/examples/pidns.py b/examples/pidns.py
index 0ef049e..0337c47 100755
--- a/examples/pidns.py
+++ b/examples/pidns.py
@@ -1,6 +1,6 @@
 #!/usr/bin/python3
 # Copyright 2024 Helmut Grohne <helmut@subdivi.de>
-# SPDX-License-Identifier: GPL-2+
+# SPDX-License-Identifier: LGPL-2.0-or-later
 
 """Create a pid namespace and provide a matching /proc view. As a consequence,
 user and mount namespaces will be unshared as well.
diff --git a/examples/unschroot_fs.py b/examples/unschroot_fs.py
index b29ecc5..d5f67b0 100755
--- a/examples/unschroot_fs.py
+++ b/examples/unschroot_fs.py
@@ -1,6 +1,6 @@
 #!/usr/bin/python3
 # Copyright 2024 Helmut Grohne <helmut@subdivi.de>
-# SPDX-License-Identifier: GPL-2+
+# SPDX-License-Identifier: LGPL-2.0-or-later
 
 """Emulate schroot using namespaces sufficiently well that sbuild can deal with
 it but not any better. It assumes that ~/.cache/sbuild contains tars suitable
diff --git a/examples/unschroot_proc.py b/examples/unschroot_proc.py
index f5a444f..771d0d8 100755
--- a/examples/unschroot_proc.py
+++ b/examples/unschroot_proc.py
@@ -1,6 +1,6 @@
 #!/usr/bin/python3
 # Copyright 2025 Helmut Grohne <helmut@subdivi.de>
-# SPDX-License-Identifier: GPL-2+
+# SPDX-License-Identifier: LGPL-2.0-or-later
 
 """Emulate schroot using namespaces and a background session process
 sufficiently well that sbuild can deal with it but not any better. For using
diff --git a/examples/userchroot.py b/examples/userchroot.py
index cbb827a..9a6e1f9 100755
--- a/examples/userchroot.py
+++ b/examples/userchroot.py
@@ -1,6 +1,6 @@
 #!/usr/bin/python3
 # Copyright 2024 Helmut Grohne <helmut@subdivi.de>
-# SPDX-License-Identifier: GPL-2+
+# SPDX-License-Identifier: LGPL-2.0-or-later
 
 """Perform something like an unprivileged chroot via a user and mount
 namespace. This is similar to "unshare --map-auto --mount-proc --root=$1", but
diff --git a/examples/withallsubuids.py b/examples/withallsubuids.py
index 32ff2f6..5ec00d5 100755
--- a/examples/withallsubuids.py
+++ b/examples/withallsubuids.py
@@ -1,6 +1,6 @@
 #!/usr/bin/python3
 # Copyright 2024 Helmut Grohne <helmut@subdivi.de>
-# SPDX-License-Identifier: GPL-2+
+# SPDX-License-Identifier: LGPL-2.0-or-later
 
 """Map all available ranges from /etc/subuid and /etc/subgid as identity and
 run a given command with all capabilities (including CAP_DAC_OVERRIDE)
diff --git a/linuxnamespaces/__init__.py b/linuxnamespaces/__init__.py
index ccf3314..b9a3191 100644
--- a/linuxnamespaces/__init__.py
+++ b/linuxnamespaces/__init__.py
@@ -1,5 +1,5 @@
 # Copyright 2024 Helmut Grohne <helmut@subdivi.de>
-# SPDX-License-Identifier: GPL-2+
+# SPDX-License-Identifier: LGPL-2.0-or-later
 
 """Provide plumbing-layer functionality for working with Linux namespaces in
 Python.
diff --git a/linuxnamespaces/atlocation.py b/linuxnamespaces/atlocation.py
index 1e719a1..8019c75 100644
--- a/linuxnamespaces/atlocation.py
+++ b/linuxnamespaces/atlocation.py
@@ -1,5 +1,5 @@
 # Copyright 2024 Helmut Grohne <helmut@subdivi.de>
-# SPDX-License-Identifier: GPL-2+
+# SPDX-License-Identifier: LGPL-2.0-or-later
 
 """Describe a location in the filesystem by a combination of a file descriptor
 and a file name each of which can be optional. Many Linux system calls are able
diff --git a/linuxnamespaces/filedescriptor.py b/linuxnamespaces/filedescriptor.py
index f159a83..64c6b05 100644
--- a/linuxnamespaces/filedescriptor.py
+++ b/linuxnamespaces/filedescriptor.py
@@ -1,5 +1,5 @@
 # Copyright 2024 Helmut Grohne <helmut@subdivi.de>
-# SPDX-License-Identifier: GPL-2+
+# SPDX-License-Identifier: LGPL-2.0-or-later
 
 """A type tag for integers that represent file descriptors."""
 
diff --git a/linuxnamespaces/idmap.py b/linuxnamespaces/idmap.py
index 315198a..d9cf0eb 100644
--- a/linuxnamespaces/idmap.py
+++ b/linuxnamespaces/idmap.py
@@ -1,5 +1,5 @@
 # Copyright 2024-2025 Helmut Grohne <helmut@subdivi.de>
-# SPDX-License-Identifier: GPL-2+
+# SPDX-License-Identifier: LGPL-2.0-or-later
 
 """Provide functionalit related to mapping user and group ids in a user
 namespace.
diff --git a/linuxnamespaces/syscalls.py b/linuxnamespaces/syscalls.py
index 86b21e3..667c557 100644
--- a/linuxnamespaces/syscalls.py
+++ b/linuxnamespaces/syscalls.py
@@ -1,5 +1,5 @@
 # Copyright 2024 Helmut Grohne <helmut@subdivi.de>
-# SPDX-License-Identifier: GPL-2+
+# SPDX-License-Identifier: LGPL-2.0-or-later
 
 """Provide typed Python functions for a number of Linux system calls relevant
 for Linux namespaces including the new mount API.
diff --git a/linuxnamespaces/systemd/__init__.py b/linuxnamespaces/systemd/__init__.py
index ff09d00..77d005d 100644
--- a/linuxnamespaces/systemd/__init__.py
+++ b/linuxnamespaces/systemd/__init__.py
@@ -1,5 +1,5 @@
 # Copyright 2024 Helmut Grohne <helmut@subdivi.de>
-# SPDX-License-Identifier: GPL-2+
+# SPDX-License-Identifier: LGPL-2.0-or-later
 
 """Communicate with a systemd instance to create e.g. delegated croups."""
 
diff --git a/linuxnamespaces/systemd/dbussy.py b/linuxnamespaces/systemd/dbussy.py
index e38a119..bb093f7 100644
--- a/linuxnamespaces/systemd/dbussy.py
+++ b/linuxnamespaces/systemd/dbussy.py
@@ -1,5 +1,5 @@
 # Copyright 2024 Helmut Grohne <helmut@subdivi.de>
-# SPDX-License-Identifier: GPL-2+
+# SPDX-License-Identifier: LGPL-2.0-or-later
 
 """Communicate with a systemd instance via dbus using dbussy."""
 
diff --git a/linuxnamespaces/systemd/jeepney.py b/linuxnamespaces/systemd/jeepney.py
index 16fbca1..c9fa37a 100644
--- a/linuxnamespaces/systemd/jeepney.py
+++ b/linuxnamespaces/systemd/jeepney.py
@@ -1,5 +1,5 @@
 # Copyright 2024 Helmut Grohne <helmut@subdivi.de>
-# SPDX-License-Identifier: GPL-2+
+# SPDX-License-Identifier: LGPL-2.0-or-later
 
 """Communicate with a systemd instance via dbus using jeepney."""
 
diff --git a/linuxnamespaces/tarutils.py b/linuxnamespaces/tarutils.py
index 9569939..105bbb3 100644
--- a/linuxnamespaces/tarutils.py
+++ b/linuxnamespaces/tarutils.py
@@ -1,6 +1,6 @@
 #!/usr/bin/python3
 # Copyright 2024 Helmut Grohne <helmut@subdivi.de>
-# SPDX-License-Identifier: GPL-2+
+# SPDX-License-Identifier: LGPL-2.0-or-later
 
 """Extensions to the tarfile module.
  * ZstdTarFile extends TarFile to deal with zstd-compressed archives.
diff --git a/pyproject.toml b/pyproject.toml
index fbd5218..2094d07 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ description = "typed syscall wrappers and plumbing for working with Linux namesp
 authors = [{name = "Helmut Grohne", email = "helmut@subdivi.de"}]
 classifiers = [
   "Development Status :: 3 - Alpha",
-  "License :: OSI Approved :: GNU General Public License v2 or later (GPLv2+)",
+  "License :: OSI Approved :: GNU Lesser General Public License v2 or later (LGPLv2+)",
   "Operating System :: POSIX :: Linux",
   "Typing :: Typed",
   "Programming Language :: Python :: 3",
diff --git a/tests/test_atlocation.py b/tests/test_atlocation.py
index 16a4d53..1ed0d3a 100644
--- a/tests/test_atlocation.py
+++ b/tests/test_atlocation.py
@@ -1,5 +1,5 @@
 # Copyright 2024 Helmut Grohne <helmut@subdivi.de>
-# SPDX-License-Identifier: GPL-2+
+# SPDX-License-Identifier: LGPL-2.0-or-later
 
 import contextlib
 import functools
diff --git a/tests/test_simple.py b/tests/test_simple.py
index 5c9d2d3..b174763 100644
--- a/tests/test_simple.py
+++ b/tests/test_simple.py
@@ -1,5 +1,5 @@
 # Copyright 2024 Helmut Grohne <helmut@subdivi.de>
-# SPDX-License-Identifier: GPL-2+
+# SPDX-License-Identifier: LGPL-2.0-or-later
 
 import asyncio
 import errno