diff --git a/pisi-spec.dtd b/pisi-spec.dtd
index 82626d20..55550207 100644
--- a/pisi-spec.dtd
+++ b/pisi-spec.dtd
@@ -132,7 +132,7 @@ suck anyway -->
 
 <!ELEMENT Update (#PCDATA | Date | Version | Comment | Type | Requires | Name | Email)*>
 <!ATTLIST Update release CDATA #REQUIRED>
-<!ATTLIST Update type (security|bug) #IMPLIED>
+<!ATTLIST Update type (critical|security) #IMPLIED>
 
 <!ELEMENT Date (#PCDATA)>
 <!ELEMENT Version (#PCDATA)>
diff --git a/pisi-spec.rng b/pisi-spec.rng
index b3244222..7e697a59 100644
--- a/pisi-spec.rng
+++ b/pisi-spec.rng
@@ -1577,8 +1577,8 @@
         <optional>
             <attribute name="type">
                 <choice>
+                    <value>critical</value>
                     <value>security</value>
-                    <value>bug</value>
                 </choice>
             </attribute>
         </optional>