diff --git a/MANIFEST.in b/MANIFEST.in
index d6ecc7c5c1..8b849ff761 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1 +1,4 @@
 recursive-include requirements *
+
+# Include marker file for PEP 561
+include src/anomalib/py.typed
diff --git a/src/anomalib/py.typed b/src/anomalib/py.typed
new file mode 100644
index 0000000000..e69de29bb2