diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
index 0000000..bdd3c2c
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,12 @@
+# Release Notes
+
+## 0.2.3 (04.07.2024)
+
+### Changes
+
+- add `CHANGELOG.md`
+
+### Dependencies
+
+- pin `matplotlib<3.9`
+- pin `numpy<2`
diff --git a/pyproject.toml b/pyproject.toml
index 95a4063..d73d791 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -38,6 +38,8 @@ dependencies = [
     "bidict",
     "ipyfilechooser",
     "tqdm",
+    "matplotlib<3.9",
+    "numpy<2",
 ]
 [project.optional-dependencies]
 test = [