diff --git a/DOCKER_AND_COMPOSE_VERSION_MATRIX b/DOCKER_AND_COMPOSE_VERSION_MATRIX
index 16ed21d..6336f66 100644
--- a/DOCKER_AND_COMPOSE_VERSION_MATRIX
+++ b/DOCKER_AND_COMPOSE_VERSION_MATRIX
@@ -7,3 +7,4 @@
 17.12 1.18.*
 18    1.19.*
 18.02 1.19.*
+18.03 1.21.*