Index: vagrant.gemspec
===================================================================
--- vagrant.gemspec.orig
+++ vagrant.gemspec
@@ -21,14 +21,14 @@ Gem::Specification.new do |s|
   s.add_dependency "erubi"
   s.add_dependency "hashicorp-checkpoint", "~> 0.1.5"
   s.add_dependency "i18n", "~> 1.8"
-  s.add_dependency "listen", "~> 3.1"
+  s.add_dependency "listen", ">= 3.1.5"
   s.add_dependency "log4r", "~> 1.1.9", "< 1.1.11"
   s.add_dependency "mime-types", "~> 3.3"
-  s.add_dependency "net-ssh", ">= 6.2.0.rc1", "< 7"
-  s.add_dependency "net-sftp", "~> 3.0"
-  s.add_dependency "net-scp", "~> 1.2.0"
+  s.add_dependency "net-ssh", ">= 6.0.2", "< 7"
+  s.add_dependency "net-sftp", ">= 2.1.2"
+  s.add_dependency "net-scp", ">= 1.2.1"
   s.add_dependency "rb-kqueue", "~> 0.2.0"
-  s.add_dependency "rubyzip", "~> 2.0"
+  s.add_dependency "rubyzip", "~> 2.2"
   s.add_dependency "vagrant_cloud", "~> 3.0.2"
   s.add_dependency "wdm", "~> 0.1.0"
   s.add_dependency "winrm", ">= 2.3.4", "< 3.0"
@@ -39,7 +39,7 @@ Gem::Specification.new do |s|
   # of the ruby_dep gem impose an aggressive constraint on the required ruby version (>= 2.2.5).
   # Explicit constraint is defined to provide required dependency to listen without imposing
   # tighter restrictions on valid ruby versions
-  s.add_dependency "ruby_dep", "<= 1.3.1"
+  s.add_dependency "ruby_dep"
 
   # Constraint rake to properly handle deprecated method usage
   # from within rspec