diff --git a/MANIFEST.in b/MANIFEST.in
index d43779c20966c15c277349cf614d92934f1a8ae3..3fe2723d4f9cbab5ebf90f48d252437e8f3bc30f 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1,2 +1,2 @@
 recursive-include DTLSSocket/tinydtls *.h LICENSE ABOUT.md configure.ac CONTRIBUTING.md README Makefile.in doc/Doxyfile.in
-include DTLSSocket/dtls.pyx DTLSSocket/tdtls.pxd LICENSE
+include DTLSSocket/dtls.pyx DTLSSocket/tdtls.pxd LICENSE pyproject.toml
diff --git a/setup.py b/setup.py
index 87206aea6edcf838c782d0e00a4bf99bd4caf809..74d828e2a8adaf8edeb20832866002cdcbd80d2a 100644
--- a/setup.py
+++ b/setup.py
@@ -26,7 +26,7 @@ with open("README.md", "r") as fh:
 
 setup(
     name="DTLSSocket",
-    version='0.1.11a2',
+    version='0.1.11',
     description = "DTLSSocket is a cython wrapper for tinydtls with a Socket like interface",
     long_description=long_description,
     long_description_content_type="text/markdown",