diff --git a/doc/requirements.txt b/doc/requirements.txt
index 70027ad0..6c7eafa6 100644
--- a/doc/requirements.txt
+++ b/doc/requirements.txt
@@ -1,4 +1,4 @@
-matplotlib<3.6.0
+matplotlib
 numpydoc
 sphinx-math-dollar
 jupyter-sphinx
diff --git a/spb/_version.py b/spb/_version.py
index e4adfb83..f49459c7 100644
--- a/spb/_version.py
+++ b/spb/_version.py
@@ -1 +1 @@
-__version__ = "1.6.0"
+__version__ = "1.6.1"