diff --git a/Gemfile b/Gemfile
index 9a2811f88b..1bafae9b50 100644
--- a/Gemfile
+++ b/Gemfile
@@ -74,7 +74,7 @@ gem 'wkhtmltopdf-binary'
 gem 'foreigner'
 gem 'immigrant'
 gem 'roo', '~> 2.7.0'
-gem 'roo-xls'
+gem 'roo-xls', '~> 1.1.0'
 
 gem 'whenever', require: false
 
diff --git a/Gemfile.lock b/Gemfile.lock
index f92e6a837d..b96a2dad54 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -782,8 +782,8 @@ DEPENDENCIES
   representative_view
   roadie-rails (~> 1.0.3)
   roo (~> 2.7.0)
-  roo-xls
   rspec-rails (>= 3.5.2)
+  roo-xls (~> 1.1.0)
   rspec-retry
   rubocop (>= 0.49.1)
   sass (~> 3.3)