diff --git a/beetle.gemspec b/beetle.gemspec
index c7caf0e1..53859276 100644
--- a/beetle.gemspec
+++ b/beetle.gemspec
@@ -27,8 +27,8 @@ Gem::Specification.new do |s|
   s.add_runtime_dependency "bunny",                   "~> 2.23.0"
   s.add_runtime_dependency "redis",                   ">= 5.0.0"
   s.add_runtime_dependency "hiredis-client",          ">= 0.25.0"
-  s.add_runtime_dependency "amq-protocol",            "= 2.3.2"
-  s.add_runtime_dependency "amqp",                    "= 1.8.0"
+  s.add_runtime_dependency "amq-protocol",            ">= 2.3.2"
+  s.add_runtime_dependency "amqp",                    ">= 1.8.0"
   s.add_runtime_dependency "activesupport",           ">= 2.3.4"
 
   s.add_development_dependency "activerecord",        ">= 6.1"
diff --git a/mise.toml b/mise.toml
new file mode 100644
index 00000000..5a061357
--- /dev/null
+++ b/mise.toml
@@ -0,0 +1,2 @@
+[tools]
+ruby = "4.0.1"