diff --git a/Gemfile.devel b/Gemfile.devel
deleted file mode 100644
index 0f7833c4..00000000
--- a/Gemfile.devel
+++ /dev/null
@@ -1 +0,0 @@
-gem "relaton-render", git: "https://github.com/relaton/relaton-render", branch: "main"
diff --git a/lib/isodoc/version.rb b/lib/isodoc/version.rb
index 329db5ad..a1b170b4 100644
--- a/lib/isodoc/version.rb
+++ b/lib/isodoc/version.rb
@@ -1,3 +1,3 @@
 module IsoDoc
-  VERSION = "2.12.6".freeze
+  VERSION = "2.12.7".freeze
 end