diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8067277f4ba3b00d7342104741d5d69ad306f513..a55d8fd076f4b2ac82245fa13b90233bc779e563 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -88,6 +88,8 @@ HeapLang, which is now in a separate package `coq-iris-heap-lang`.
   `big_sepL_lookup_acc_impl`, `big_sepL2_lookup_acc_impl`,
   `big_sepM_lookup_acc_impl`, `big_sepM2_lookup_acc_impl`,
   `big_sepS_elem_of_acc_impl`, `big_sepMS_elem_of_acc_impl`.
+* Add lemmas `big_sepM_filter'` and `big_sepM_filter` matching the corresponding
+  `big_sepS` lemmas.
 
 **Changes in `proofmode`:**