diff --git a/Gemfile.lock b/Gemfile.lock
index b491d13..4a6d8e0 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -3,7 +3,7 @@ PATH
   specs:
     ontohub-models (0.1.0)
       awesome_print (~> 1.8.0)
-      chewy (~> 0.10.1)
+      chewy (>= 0.10.1, < 5.1.0)
       devise (>= 4.3, < 4.5)
       pry (~> 0.11.0)
       rails (~> 5.1.4)
@@ -61,7 +61,7 @@ GEM
       debug_inspector (>= 0.0.1)
     builder (3.2.3)
     byebug (10.0.0)
-    chewy (0.10.1)
+    chewy (5.0.0)
       activesupport (>= 4.0)
       elasticsearch (>= 2.0.0)
       elasticsearch-dsl
diff --git a/ontohub-models.gemspec b/ontohub-models.gemspec
index 3b2c894..4182a3d 100644
--- a/ontohub-models.gemspec
+++ b/ontohub-models.gemspec
@@ -27,7 +27,7 @@ Gem::Specification.new do |s|
   end
 
   # Runtime dependencies
-  s.add_dependency 'chewy', '~> 0.10.1'
+  s.add_dependency 'chewy', '>= 0.10.1', '< 5.1.0'
   s.add_dependency 'devise', '>= 4.3', '< 4.5'
   s.add_dependency 'rails', '~> 5.1.4'
   s.add_dependency 'sequel', '>= 5.2', '< 5.7'