diff --git a/Gemfile b/Gemfile
index aedeb42..f1974a2 100644
--- a/Gemfile
+++ b/Gemfile
@@ -35,12 +35,12 @@ gem 'activerecord-session_store', ('1.0.0.pre' if RUBY_VERSION >= '2.3.0')
 
 # API dependencies
 gem 'grape',                    '~> 0.12'
-gem 'grape-entity',             '0.4.8'
+gem 'grape-entity',             '~>0.4.8'
 gem 'grape_logging'
 gem 'rack-cors'
 gem 'rack-contrib'
 gem 'api-pagination',           '>= 4.1.1'
-gem 'liquid',                    '~> 3.0.3'
+gem 'liquid',                    '>= 3.0.3'
 
 # asset pipeline
 gem 'uglifier', '>= 1.0.3'
diff --git a/debian/control b/debian/control
index cb68312..b8ef63e 100644
--- a/debian/control
+++ b/debian/control
@@ -60,8 +60,9 @@ Depends: adduser,
          ruby-feedparser (>= 0.7-3~),
          ruby-gettext,
          ruby-grape,
-         ruby-grape-entity (= 0.4.8),
+         ruby-grape-entity (>= 0.4.8),
          ruby-grape-logging,
+         ruby-liquid (>= 3.0.3),
          ruby-minitest,
          ruby-nokogiri,
          ruby-pg,
--
libgit2 0.21.2