diff --git a/Gemfile.lock b/Gemfile.lock
index 98e0bf5..40581b5 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -18,7 +18,7 @@ PATH
       puma (>= 5.0.4, < 7)
       rack (>= 2.2, < 4.0)
       rake (~> 13.0)
-      redis (~> 4.1)
+      redis (>= 4.1, < 6.0)
       sinatra (>= 2, < 4)
       spicy-proton (~> 2.1)
       statsd-ruby (~> 1.4)
@@ -114,7 +114,10 @@ GEM
       rack (>= 1.3)
     rainbow (3.1.1)
     rake (13.0.6)
-    redis (4.8.1)
+    redis (5.0.6)
+      redis-client (>= 0.9.0)
+    redis-client (0.14.0)
+      connection_pool
     regexp_parser (2.7.0)
     rexml (3.2.5)
     rspec (3.12.0)
diff --git a/vmpooler.gemspec b/vmpooler.gemspec
index 6e93e3c..2a8d961 100644
--- a/vmpooler.gemspec
+++ b/vmpooler.gemspec
@@ -32,7 +32,7 @@ Gem::Specification.new do |s|
   s.add_dependency 'puma', '>= 5.0.4', '< 7'
   s.add_dependency 'rack', '>= 2.2', '< 4.0'
   s.add_dependency 'rake', '~> 13.0'
-  s.add_dependency 'redis', '~> 4.1'
+  s.add_dependency 'redis', '>= 4.1', '< 6.0'
   s.add_dependency 'sinatra', '>= 2', '< 4'
   s.add_dependency 'spicy-proton', '~> 2.1'
   s.add_dependency 'statsd-ruby', '~> 1.4'