diff --git a/doc/changelog.rst b/doc/changelog.rst
index 1c8367a37..70d3ef232 100644
--- a/doc/changelog.rst
+++ b/doc/changelog.rst
@@ -3,6 +3,15 @@
 Changelog
 =========
 
+v0.12.2
+-------
+(2023-07-21)
+
+- This is a maintainance release that prevents newer versions of
+  mizani from breaking plotnine. This version depends on
+  `mizani<0.10.0`.
+
+
 v0.12.1
 -------
 (2023-05-09)
diff --git a/pyproject.toml b/pyproject.toml
index 18b3ef599..f5692b6a6 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -24,7 +24,7 @@ classifiers = [
 ]
 dependencies = [
     "matplotlib>=3.6.0",
-    "mizani>=0.9.0",
+    "mizani>0.9.0,<0.10.0",
     "numpy>=1.23.0",
     "pandas>=1.5.0",
     "patsy>=0.5.1",