diff --git a/unity/Assets/Resources/version.txt b/unity/Assets/Resources/version.txt
index 5284f7db4..160fe391c 100644
--- a/unity/Assets/Resources/version.txt
+++ b/unity/Assets/Resources/version.txt
@@ -1 +1 @@
-2.5.5a
\ No newline at end of file
+2.5.5
\ No newline at end of file