diff --git a/.github/CODEOWNERS b/.github/CODEOWNERS
new file mode 100644
index 000000000..175f669d3
--- /dev/null
+++ b/.github/CODEOWNERS
@@ -0,0 +1 @@
+*   @CitrineInformatics/citrine-python-owners
diff --git a/src/citrine/__version__.py b/src/citrine/__version__.py
index ad45aa38b..7a829927f 100644
--- a/src/citrine/__version__.py
+++ b/src/citrine/__version__.py
@@ -1 +1 @@
-__version__ = "3.5.3"
+__version__ = "3.5.4"