cuboid.gemspec in cuboid-0.2.8 vs cuboid.gemspec in cuboid-0.2.9

@@ -29,23 +29,23 @@
 
     # Don't specify version, messes with the packages since they always grab the
     # latest one.
     s.add_dependency 'bundler'
 
-    s.add_dependency 'concurrent-ruby',     '1.1.8'
-    s.add_dependency 'concurrent-ruby-ext', '1.1.8'
+    s.add_dependency 'concurrent-ruby',     '~> 1.2.3'
+    s.add_dependency 'concurrent-ruby-ext', '~> 1.2.3'
 
     # For compressing/decompressing system state archives.
-    s.add_dependency 'rubyzip',             '2.3.0'
+    s.add_dependency 'rubyzip',             '~> 2.3.2'
 
-    s.add_dependency 'childprocess',        '0.8.0'
+    s.add_dependency 'childprocess',        '~> 5.0.0'
 
     # RPC serialization.
-    s.add_dependency 'msgpack',             '1.1.0'
+    s.add_dependency 'msgpack',             '~> 1.7.2'
 
     # Web server
-    s.add_dependency 'puma',                '5.6.2'
+    s.add_dependency 'puma',                '~> 6.4.2'
 
     s.add_dependency 'rack',                '2.2.3.1'
     s.add_dependency 'rack-test'
 
     # REST API
@@ -53,11 +53,11 @@
     s.add_dependency 'sinatra-contrib',     '2.2.0'
 
     # RPC client/server implementation.
     s.add_dependency 'toq',                 '~> 0.0.1'
 
-    s.add_dependency 'vmstat',              '2.3.0'
-    s.add_dependency 'sys-proctable',       '1.1.5'
+    s.add_dependency 'vmstat',              '~> 2.3.0'
+    s.add_dependency 'sys-proctable',       '~> 1.3.0'
 
     s.description = <<DESCRIPTION
 An application-centric, decentralised and distributed computing solution.
 DESCRIPTION