diff --git a/fedora_repository.info b/fedora_repository.info
index 546ae7a0..2ed04728 100644
--- a/fedora_repository.info
+++ b/fedora_repository.info
@@ -4,5 +4,5 @@ dependencies[] = tabs
 dependencies[] = islandora_content_model_forms
 description = Shows a list of items in a fedora collection.
 package = Islandora
-version = 13.1.0-RC1
+version = 6.x-13.1-RC1
 core = 6.x
diff --git a/plugins/fedora_imageapi.info b/plugins/fedora_imageapi.info
index cfccc34c..78d7fb97 100644
--- a/plugins/fedora_imageapi.info
+++ b/plugins/fedora_imageapi.info
@@ -4,6 +4,6 @@ package = Islandora Dependencies
 dependencies[] = fedora_repository
 dependencies[] = imageapi
 
-version = 13.1.0-RC1
+version = 6.x-13.1-RC1
 
 core = 6.x