diff --git a/Gemfile.lock b/Gemfile.lock
index 33d9772c..ae3a9a25 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -13,7 +13,7 @@ PATH
       pmap (~> 1.0, >= 1.0.2)
       pry (~> 0.10, >= 0.10.3)
       rest-client (>= 1.8.0, < 2.1)
-      rubyzip (~> 1.3)
+      rubyzip (~> 2.0)
       terminal-table (~> 3.0.2)
       thread_safe
 
@@ -76,7 +76,7 @@ GEM
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.11.0)
     rspec-support (3.11.0)
-    rubyzip (1.3.0)
+    rubyzip (2.4.1)
     terminal-table (3.0.2)
       unicode-display_width (>= 1.1.1, < 3)
     thread_safe (0.3.6)
diff --git a/gutdata.gemspec b/gutdata.gemspec
index 9dc1b71d..cebf1cd4 100644
--- a/gutdata.gemspec
+++ b/gutdata.gemspec
@@ -48,7 +48,7 @@ Gem::Specification.new do |s|
   s.add_dependency 'pmap', '~> 1.0', '>= 1.0.2'
   s.add_dependency 'pry', '~> 0.10', '>= 0.10.3'
   s.add_dependency 'rest-client', '>= 1.8.0', '< 2.1'
-  s.add_dependency 'rubyzip', '~> 1.3'
+  s.add_dependency 'rubyzip', '~> 2.0'
   s.add_dependency 'terminal-table', '~> 3.0.2'
   s.add_dependency 'thread_safe'
 end
diff --git a/lib/gutdata/models/model.rb b/lib/gutdata/models/model.rb
index 0d3b667d..f8a4c723 100644
--- a/lib/gutdata/models/model.rb
+++ b/lib/gutdata/models/model.rb
@@ -168,7 +168,7 @@ def upload_multiple_data(data, project_blueprint, options = { :client => GutData
         # create a temporary zip file
         dir = Dir.mktmpdir
         begin
-          Zip::File.open("#{dir}/upload.zip", Zip::File::CREATE) do |zip|
+          Zip::File.open("#{dir}/upload.zip", create: true) do |zip|
             # TODO: make sure schema columns match CSV column names
             zip.get_output_stream('upload_info.json') { |f| f.puts JSON.pretty_generate(manifest) }
 
diff --git a/lib/gutdata/models/process.rb b/lib/gutdata/models/process.rb
index 4059aa3f..e42b5905 100644
--- a/lib/gutdata/models/process.rb
+++ b/lib/gutdata/models/process.rb
@@ -130,7 +130,7 @@ def with_zip(opts = {})
         Tempfile.open('deploy-graph-archive') do |temp|
           zip_filename = temp.path
           File.open(zip_filename, 'w') do |zip|
-            Zip::File.open(zip.path, Zip::File::CREATE) do |zipfile|
+            Zip::File.open(zip.path, create: true) do |zipfile|
               yield zipfile
             end
           end