diff --git a/.gitignore b/.gitignore
index 5a952bc..2157215 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,16 +1,18 @@
 *.swp
 *~
+.bundle
+.byebug_history
 .rake_tasks~
+.rubocop.yml
 .source_index
 .vagrant
 Gemfile.lock
 Vagrantfile
 coverage
-doc
-html
-pkg
+doc/
+html/
+pkg/
 publish
 test/cache.tst
 tmp/
-.byebug_history
-.rubocop.yml
+vendor/
diff --git a/support/prepare_release.rb b/support/prepare_release.rb
index 25c4130..dd9652e 100644
--- a/support/prepare_release.rb
+++ b/support/prepare_release.rb
@@ -100,9 +100,9 @@ def as_gha_vars
     end
 
     body = <<~EOF_ENV
-      UPDATE_VERSION="#{new_version}"
-      UPDATE_TITLE="Update mime-types-data #{release_header}"
-      UPDATE_BODY="#{history_body}"
+      UPDATE_VERSION=#{new_version}
+      UPDATE_TITLE=Update mime-types-data #{release_header}
+      UPDATE_BODY=#{history_body}
     EOF_ENV
 
     File.write(ENV["GITHUB_ENV"], body, mode: "a+")