diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2c35279..8407c5d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,8 @@
 
 ### Changed
 
+- Added mypy as test dependency
+
 ## [0.11.1]
 
 ### Added
diff --git a/pyproject.toml b/pyproject.toml
index 61aff58..4dbbef4 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -46,6 +46,7 @@ dev = [
 ]
 test = [
     "pytest-cov ~=4.1.0",
+    "mypy == 1.13.0"
 ]
 
 [build-system]