diff --git a/ldclient-rb.gemspec b/ldclient-rb.gemspec
index 2a82a2f5..1cd7b0a4 100644
--- a/ldclient-rb.gemspec
+++ b/ldclient-rb.gemspec
@@ -25,7 +25,7 @@ Gem::Specification.new do |spec|
 
   spec.add_runtime_dependency "json", "~> 1.8"
   spec.add_runtime_dependency "faraday", "~> 0.9"
-  spec.add_runtime_dependency "faraday-http-cache", "~> 0.4"
+  spec.add_runtime_dependency "faraday-http-cache", "~> 1.3.0"
   spec.add_runtime_dependency "thread_safe", "~> 0.3"
   spec.add_runtime_dependency "net-http-persistent", "~> 2.9"
   spec.add_runtime_dependency "concurrent-ruby", "~> 1.0.0"
diff --git a/lib/ldclient-rb/store.rb b/lib/ldclient-rb/store.rb
index 932a754b..0677da65 100644
--- a/lib/ldclient-rb/store.rb
+++ b/lib/ldclient-rb/store.rb
@@ -35,5 +35,12 @@ def read(key)
     def write(key, value)
       @cache[key] = value
     end
+
+    #
+    # Delete a value in the cache
+    # @param key [Object] the cache key
+    def delete(key)
+      @cache.delete(key)
+    end
   end
 end