diff --git a/.gitignore b/.gitignore
index a33a0e07..8ec5304d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -16,3 +16,4 @@ redback-integrations/redback-struts2/redback-struts2-example/appserver-base
 redback-integrations/redback-struts2/redback-struts2-example/overlays/
 .DS_Store
 .site-content
+.java-version