diff --git a/.discourse-compatibility b/.discourse-compatibility
new file mode 100644
index 0000000..18d3b5d
--- /dev/null
+++ b/.discourse-compatibility
@@ -0,0 +1,2 @@
+3.1.999: 30c49eb50d6d16fcf82bace3da0e1972b7b220c0
+