diff --git a/.gitignore b/.gitignore
index 956122b..2fdee6f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 /addressable-2.3.2.gem
 /addressable-2.3.5.gem
 /addressable-2.3.6.gem
+/addressable-2.3.8.gem
diff --git a/rubygem-addressable.spec b/rubygem-addressable.spec
index d081717..31533ad 100644
--- a/rubygem-addressable.spec
+++ b/rubygem-addressable.spec
@@ -16,6 +16,7 @@ BuildRequires: rubygems-devel
 BuildRequires: rubygem(rspec)
 BuildRequires: rubygem(rspec-its)
 BuildRequires: rubygem(launchy)
+BuildRequires: rubygem(json_pure)
 
 BuildArch: noarch
 Provides: rubygem(%{gem_name}) = %{version}