diff --git a/Gemfile.lock b/Gemfile.lock
index fd1ff1f..34723fa 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -2,7 +2,7 @@ PATH
   remote: .
   specs:
     cql-rb (2.1.0.pre0)
-      ione (= 1.2.0.pre2)
+      ione (= 1.2.0.pre3)
 
 GEM
   remote: https://rubygems.org/
@@ -16,7 +16,7 @@ GEM
       simplecov (>= 0.7)
       thor
     diff-lcs (1.2.4)
-    ione (1.2.0.pre2)
+    ione (1.2.0.pre3)
     lz4-ruby (0.3.2)
     lz4-ruby (0.3.2-java)
     method_source (0.8.1)
diff --git a/cql-rb.gemspec b/cql-rb.gemspec
index ef61efb..62a071e 100644
--- a/cql-rb.gemspec
+++ b/cql-rb.gemspec
@@ -23,5 +23,5 @@ Gem::Specification.new do |s|
   s.platform = Gem::Platform::RUBY
   s.required_ruby_version = '>= 1.9.3'
 
-  s.add_dependency 'ione', '= 1.2.0.pre2'
+  s.add_dependency 'ione', '= 1.2.0.pre3'
 end