diff --git a/lib/facter/pip_version.rb b/lib/facter/pip_version.rb
index 02b4a0cd..ede29409 100644
--- a/lib/facter/pip_version.rb
+++ b/lib/facter/pip_version.rb
@@ -1,6 +1,7 @@
 # Make pip version available as a fact
 # Works with pip loaded and without, pip installed using pip  and package installed
 require 'puppet'
+require 'rubygems'
 if Gem::Version.new(Facter.value(:puppetversion)) >= Gem::Version.new('3.6')
   pkg = Puppet::Type.type(:package).new(:name => 'python-pip', :allow_virtual => 'false')
 else
diff --git a/lib/facter/python_version.rb b/lib/facter/python_version.rb
index 793d4ac1..b74cd40f 100644
--- a/lib/facter/python_version.rb
+++ b/lib/facter/python_version.rb
@@ -1,6 +1,7 @@
 # Make python versions available as facts
 # In lists default python and system python versions
 require 'puppet'
+require 'rubygems'
 if Gem::Version.new(Facter.value(:puppetversion)) >= Gem::Version.new('3.6')
   pkg = Puppet::Type.type(:package).new(:name => 'python', :allow_virtual => 'false')
 else
diff --git a/lib/facter/virtualenv_version.rb b/lib/facter/virtualenv_version.rb
index 08873859..4a24c71d 100644
--- a/lib/facter/virtualenv_version.rb
+++ b/lib/facter/virtualenv_version.rb
@@ -1,6 +1,7 @@
 # Make virtualenv version available as a fact
 # Works with virualenv loaded and without, pip installed and package installed
 require 'puppet'
+require 'rubygems'
 if Gem::Version.new(Facter.value(:puppetversion)) >= Gem::Version.new('3.6')
   pkg = Puppet::Type.type(:package).new(:name => 'virtualenv', :allow_virtual => 'false')
 else