diff --git a/rubygem-jgrep.spec b/rubygem-jgrep.spec
index d4c0e40..56769f0 100644
--- a/rubygem-jgrep.spec
+++ b/rubygem-jgrep.spec
@@ -3,7 +3,7 @@
 
 Name:           rubygem-%{gem_name}
 Version:        1.3.3
-Release:        4%{?dist}
+Release:        5%{?dist}
 Summary:        Query JSON structure with a matching language
 
 Group:          Development/Tools
@@ -22,6 +22,10 @@ Requires:       ruby(release) >= 1.8
 Requires:       rubygems
 Provides:       rubygem(%{gem_name}) = %{version}-%{release}
 
+# Drag in the pure Ruby implementation too, so that jruby has something to
+# fall back to: https://bugzilla.redhat.com/show_bug.cgi?id=1219502
+Requires:       rubygem(json_pure)
+
 %description
 JGrep is  Ruby-based CLI tool and API for parsing and displaying JSON data
 using a logical expression syntax. It allows you to search a list of JSON
@@ -76,6 +80,9 @@ rspec -Ilib spec
 
 
 %changelog
+* Thu May  7 2015 Lubomir Rintel <lkundrak@v3.sk> - 1.3.3-4
+- Work around JRuby woes (rh #1219502)
+
 * Sun Jun 08 2014 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 1.3.3-4
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_21_Mass_Rebuild