diff --git a/.github/Dockerfile b/.github/Dockerfile
index b9b0758..0cadd97 100644
--- a/.github/Dockerfile
+++ b/.github/Dockerfile
@@ -1,4 +1,4 @@
-FROM mongo:5.0.16
+FROM mongo:6.0.13
 
 VOLUME /data
 EXPOSE 27001 27002 27003
diff --git a/test/fixtures/rbac_model.conf b/test/fixtures/rbac_model.conf
index a49830b..71159e3 100644
--- a/test/fixtures/rbac_model.conf
+++ b/test/fixtures/rbac_model.conf
@@ -11,4 +11,4 @@ g = _, _
 e = some(where (p.eft == allow))
 
 [matchers]
-m = r.sub == p.sub && r.obj == p.obj && r.act == p.act
+m = g(r.sub, p.sub) && r.obj == p.obj && r.act == p.act
\ No newline at end of file