diff --git a/pyproject.toml b/pyproject.toml
index 300c594b..41053764 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -12,8 +12,9 @@ requires-python = ">=3.7"
 keywords = ["kubernetes", "schema", "validate", "validator"]
 license = {text = "Apache"}
 dependencies = [
-    "PyYAML",
+    'PyYAML',
     'jsonschema',
+    'typing-extensions'
 ]
 dynamic = ["version", "readme"]
 
diff --git a/src/kubernetes_validate/version.py b/src/kubernetes_validate/version.py
index a3233850..01764576 100644
--- a/src/kubernetes_validate/version.py
+++ b/src/kubernetes_validate/version.py
@@ -1 +1 @@
-__version__ = '1.28.1'
+__version__ = '1.28.2'
diff --git a/test-deps.txt b/test-deps.txt
index 16b02ee0..da4bfde5 100644
--- a/test-deps.txt
+++ b/test-deps.txt
@@ -3,7 +3,3 @@ pytest
 pep8-naming
 tox
 wheel
-mypy
-types-jsonschema
-types-setuptools
-types-PyYAML
diff --git a/tox.ini b/tox.ini
index 3aa34966..6dc125ba 100644
--- a/tox.ini
+++ b/tox.ini
@@ -25,7 +25,7 @@ usedevelop = True
 recreate = False
 
 [testenv:mypy]
-deps = -rtest-deps.txt
+deps = -r types-deps.txt
 commands = mypy src \
             --disallow-untyped-calls \
             --disallow-untyped-defs \
diff --git a/types-deps.txt b/types-deps.txt
new file mode 100644
index 00000000..b4006bea
--- /dev/null
+++ b/types-deps.txt
@@ -0,0 +1,4 @@
+mypy
+types-jsonschema
+types-setuptools
+types-PyYAML