diff --git a/doc/source/releases/spymx_relnotes_v0.11.0.rst b/doc/source/releases/spymx_relnotes_v0.11.0.rst
index 8294f173..acfffb2e 100644
--- a/doc/source/releases/spymx_relnotes_v0.11.0.rst
+++ b/doc/source/releases/spymx_relnotes_v0.11.0.rst
@@ -1,8 +1,19 @@
 .. currentmodule:: modelx
 
-.. _release-mxplugin-v0.11.0:
+=========================================
+spyder-modelx v0.11
+=========================================
 
+.. _release-mxplugin-v0.11.1:
+
+spyder-modelx v0.11.1 (2 January 2022)
 =========================================
+
+This release is for supporting Spyder 5.1.
+
+
+.. _release-mxplugin-v0.11.0:
+
 spyder-modelx v0.11.0 (18 December 2021)
 =========================================
 
diff --git a/doc/source/updates.rst b/doc/source/updates.rst
index 7c95dd02..13885402 100644
--- a/doc/source/updates.rst
+++ b/doc/source/updates.rst
@@ -10,6 +10,10 @@ Updates
     Visit <a href="https://github.com/fumitoh/modelx/discussions" target="_blank">Discussions</a>
     for more frequent updates.</p>
 
+* *2 January 2022:*
+  :ref:`spyder-modelx v0.11.1<release-mxplugin-v0.11.1>` is released to support
+  Spyder 5.1.
+
 * *25 December 2021:*
   modelx v0.18.0 and spyder-modelx v0.10.1 is released.
   See :doc:`releases/relnotes_v0_18_0` and