diff --git a/.github/CODEOWNERS b/.github/CODEOWNERS
new file mode 100644
index 00000000..c0649da6
--- /dev/null
+++ b/.github/CODEOWNERS
@@ -0,0 +1,4 @@
+* @fjosw
+/pyerrors/covobs.py @s-kuberski
+/pyerrors/input/json.py @s-kuberski
+/pyerrors/input/dobs.py @s-kuberski