diff --git a/reference/apc/versions.xml b/reference/apc/versions.xml
index 8f6f7ed011..d7a758196d 100644
--- a/reference/apc/versions.xml
+++ b/reference/apc/versions.xml
@@ -23,6 +23,17 @@
  <function name='apc_load_constants' from='PECL apc &gt;= 3.0.0'/>
  <function name='apc_sma_info' from='PECL apc &gt;= 2.0.0'/>
  <function name='apc_store' from='PECL apc &gt;= 3.0.0'/>
+
+ <function name='APCIterator::__construct' from='PECL apc &gt;= 3.1.1'/>
+ <function name='APCIterator::current' from='PECL apc &gt;= 3.1.1'/>
+ <function name='APCIterator::getTotalCount' from='PECL apc &gt;= 3.1.1'/>
+ <function name='APCIterator::getTotalHits' from='PECL apc &gt;= 3.1.1'/>
+ <function name='APCIterator::getTotalSize' from='PECL apc &gt;= 3.1.1'/>
+ <function name='APCIterator::key' from='PECL apc &gt;= 3.1.1'/>
+ <function name='APCIterator::next' from='PECL apc &gt;= 3.1.1'/>
+ <function name='APCIterator::rewind' from='PECL apc &gt;= 3.1.1'/>
+ <function name='APCIterator::valid' from='PECL apc &gt;= 3.1.1'/>
+
 </versions>
 
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