doc/features.rst | 2 +-
 doc/thanks.rst   | 2 +-

diff --git a/doc/features.rst b/doc/features.rst
index c4aa8ad8f6c188605b414f73db2952f6ce8bc01ed77c37a10e6b757a71d9c4a7..e24bc2ac389f9c4abb2f86c71ba4b68ca7f8b26672922644ff32ff3b8183ef04 100644
--- a/doc/features.rst
+++ b/doc/features.rst
@@ -10,7 +10,7 @@ * Working with sequences as high level data objects with ability to
   (un)marshall them
 * Python 2.7/3.5/3.6 compatibility
 
-Why yet another library? `pyasn1 <https://github.com/etingof/pyasn1>`__
+Why yet another library? `pyasn1 <http://snmplabs.com/pyasn1/>`__
 had all of this a long time ago. PyDERASN resembles it in many ways. In
 practice it should be relatively easy to convert ``pyasn1``'s code to
 ``pyderasn``'s one. But additionally it offers:
diff --git a/doc/thanks.rst b/doc/thanks.rst
index 5b431446fed8cb2d7d4c5817177f70990fb372b136aeeb6f2ba541cfd9b7a5f0..1e729453ab38139852329f5c08871d4f9892005df2047d3f68c0a1f74c8d4671 100644
--- a/doc/thanks.rst
+++ b/doc/thanks.rst
@@ -1,7 +1,7 @@
 Thanks
 ======
 
-* `pyasn1 <http://pyasn1.sourceforge.net/>`_ project
+* `pyasn1 <http://snmplabs.com/pyasn1/>`_ project
 * Go `encoding/asn1 <https://golang.org/pkg/encoding/asn1/>`_ library
 * `Nikolay Ivanov <gmail@nekolyanich.com>`_ for helping with
   :py:class:`pyderasn.AutoAddSlots` metaclass