diff --git a/OAT.xml b/OAT.xml
index b54e61b23598e460120638afd0af30c0053fad17..3cda6f0e6a215d638c6bb689c9aa41a4e52202a5 100644
--- a/OAT.xml
+++ b/OAT.xml
@@ -27,9 +27,9 @@
         </policylist>
         <filefilterlist>
             <filefilter name="defaultFilter" desc="Files not to check">
-                <filteritem type="filepath" name="data/prebuild/posix/.*" desc="iana timezone binary data files for musl module"/>
-                <filteritem type="filepath" name="data/prebuild/icu/.*.res" desc="iana timezone binary data files for icu module"/>
-                <filteritem type="filepath" name="data/prebuild/tool/linux/zic" desc="iana timezone data compile tool"/>
+                <filteritem type="filepath" name="data/prebuild/posix/.*" desc="iana timezone binary data files for musl module, the data version is 2021a"/>
+                <filteritem type="filepath" name="data/prebuild/icu/.*.res" desc="iana timezone binary data files for icu module, the data version is 2021a"/>
+                <filteritem type="filepath" name="data/prebuild/tool/linux/zic" desc="iana timezone data compile tool, the data version is 2021a"/>
             </filefilter>
         </filefilterlist>
     </oatconfig>