diff --git a/.github/CODEOWNERS b/.github/CODEOWNERS
new file mode 100644
index 000000000000..8e0d7128a2b4
--- /dev/null
+++ b/.github/CODEOWNERS
@@ -0,0 +1,8 @@
+# This is a comment.
+# Each line is a file pattern followed by one or more owners.
+# Order is important; the last matching pattern takes the most
+# precedence.
+
+# The GEOS CMake Team is the CODEOWNER for the CMakeLists.txt files in this repository
+CMakeLists.txt @GEOS-ESM/cmake-team
+