Gemfile in jerbil-1.3.3 vs Gemfile in jerbil-1.4.5

@@ -1,14 +1,13 @@
 # @markup ruby
 #
 # general utilities
-gem 'netaddr'
-gem 'term-ansicolor'
-gem 'thor'
-gem 'daemons'
+gem 'netaddr', '~> 1.0'
+gem 'term-ansicolor', '~> 1.0'
+gem 'daemons', '~> 1.0'
 
 # jerbil-related utilities
-gem 'jellog', '>=1.0.14' # for logging
-gem 'jeckyl', '>=0.2.7' # for config files
-gem 'jeni', '>=0.2.5' # for installation
+gem 'jellog', '~> 1.0', '>=1.0.14' # for logging
+gem 'jeckyl', '~> 0.2', '>=0.2.7' # for config files
+gem 'jeni', '~> 0.2', '>=0.2.5' # for installation
 
-gem 'optplus', '>=0.0.2'
+gem 'optplus', '~> 0.0', '>=0.0.2'
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