diff --git a/expat/Changes b/expat/Changes
index 8e71fa5e..f7f5b9a3 100644
--- a/expat/Changes
+++ b/expat/Changes
@@ -16,6 +16,15 @@
 !!   ClusterFuzz findings with few-days-max response times in communication  !!
 !!   in order to (1) have a sound fix ready before the end of a 90 days      !!
 !!   grace period and (2) in a sustainable manner,                           !!
+!! - helping CPython Expat bindings with supporting Expat's billion laughs   !!
+!!   attack protection API (https://github.com/python/cpython/issues/90949): !!
+!!   - XML_SetBillionLaughsAttackProtectionActivationThreshold               !!
+!!   - XML_SetBillionLaughsAttackProtectionMaximumAmplification              !!
+!! - helping Perl's XML::Parser Expat bindings with supporting Expat's       !!
+!!   security API (https://github.com/cpan-authors/XML-Parser/issues/102):   !!
+!!   - XML_SetBillionLaughsAttackProtectionActivationThreshold               !!
+!!   - XML_SetBillionLaughsAttackProtectionMaximumAmplification              !!
+!!   - XML_SetReparseDeferralEnabled                                         !!
 !! - implementing and auto-testing XML 1.0r5 support                         !!
 !!   (needs discussion before pull requests),                                !!
 !! - smart ideas on fixing the Autotools CMake files generation issue        !!