diff --git a/Compatibility.md b/Compatibility.md
index 3a0900e..8ab16d7 100644
--- a/Compatibility.md
+++ b/Compatibility.md
@@ -3,6 +3,7 @@
 | GitNex Version | Gitea Version | Compatibility ratio | My current dev version |
 | -------------- | ------------- | ------------------- | ---------------------- |
 | 2.0.x          | 1.9.x         | 100%                | x                      |
+| 1.5.x          | 1.9.x         | 100%                |                        |
 | 1.5.x          | 1.8.x         | 100%                |                        |
 | 1.5.x          | 1.7.x         | 90%                 |                        |
 | 1.4.x          | 1.8.x         | 100%                |                        |