diff --git a/ign-transport12.yaml b/ign-transport12.yaml
index 7b178708..6d04f98b 100644
--- a/ign-transport12.yaml
+++ b/ign-transport12.yaml
@@ -7,7 +7,7 @@ repositories:
   ign-math:
     type: git
     url: https://github.com/ignitionrobotics/ign-math
-    version: ign-math6
+    version: main
   ign-msgs:
     type: git
     url: https://github.com/ignitionrobotics/ign-msgs