diff --git a/lib/puppet/parser/functions/debian_nextcodename.rb b/lib/puppet/parser/functions/debian_nextcodename.rb
index f57dd2a..3d5c3bd 100644
--- a/lib/puppet/parser/functions/debian_nextcodename.rb
+++ b/lib/puppet/parser/functions/debian_nextcodename.rb
@@ -4,7 +4,8 @@ module Puppet::Parser::Functions
       when "etch"    then "lenny"
       when "lenny"   then "squeeze"
       when "squeeze" then "wheezy"
-      when "wheezy"  then "sid"
+      when "wheezy"  then "jessie"
+      when "jessie"  then "sid"
       when "sid"     then "experimental"
       else "sid"
     end
diff --git a/lib/puppet/parser/functions/debian_release.rb b/lib/puppet/parser/functions/debian_release.rb
index 857edf3..d7b6718 100644
--- a/lib/puppet/parser/functions/debian_release.rb
+++ b/lib/puppet/parser/functions/debian_release.rb
@@ -1,9 +1,9 @@
 module Puppet::Parser::Functions
   newfunction(:debian_release, :type => :rvalue) do |args|
     case args[0]
-      when 'lenny'        then 'oldstable'
-      when 'squeeze'      then 'stable'
-      when 'wheezy'       then 'testing'
+      when 'squeeze'      then 'oldstable'
+      when 'wheezy'       then 'stable'
+      when 'jessie'       then 'testing'
       when 'sid'          then 'unstable'
       when 'experimental' then 'experimental'
       else 'testing'
diff --git a/lib/puppet/parser/functions/debian_release_version.rb b/lib/puppet/parser/functions/debian_release_version.rb
index ff58f72..0abe90e 100644
--- a/lib/puppet/parser/functions/debian_release_version.rb
+++ b/lib/puppet/parser/functions/debian_release_version.rb
@@ -4,6 +4,7 @@ module Puppet::Parser::Functions
       when 'etch'         then '4.0'
       when 'lenny'        then '5.0'
       when 'squeeze'      then '6.0'
+      when 'wheezy'       then '7.0'
       else ''
     end
   end