diff --git a/python/.changelog.d/2542.fixed b/python/.changelog.d/2542.fixed
new file mode 100644
index 000000000..013f6df79
--- /dev/null
+++ b/python/.changelog.d/2542.fixed
@@ -0,0 +1 @@
+Fixed issue where type declarations were not visible to consumer packages.
diff --git a/python/setup.py b/python/setup.py
index c2ade8e79..28f7854b0 100755
--- a/python/setup.py
+++ b/python/setup.py
@@ -57,6 +57,7 @@ setup(
     + (CWD / "CHANGELOG.md").read_text(),
     long_description_content_type="text/markdown",
     url="https://github.com/trezor/trezor-firmware/tree/master/python",
+    package_data={"trezorlib": ["py.typed"]},
     packages=find_packages("src"),
     package_dir={"": "src"},
     entry_points={"console_scripts": ["trezorctl=trezorlib.cli.trezorctl:cli"]},
diff --git a/python/src/trezorlib/py.typed b/python/src/trezorlib/py.typed
new file mode 100644
index 000000000..e69de29bb