diff --git a/CHANGELOG.md b/CHANGELOG.md
index c0c268b14e..a08627c2df 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,7 +5,7 @@
 - Fixed camera filters
 - Updated Exy2100/Exy2200 bootloader versions
 - Updated KernelSU
-- Updated base firmware to S24 FE September Security Patch
+- Updated base firmware to S24 FE August Security Patch (S721BXXS7BYH1)
 
 # 2.6.1
 - Updated build system (thx @Ksawlii)
diff --git a/external/erofs-utils b/external/erofs-utils
index fa88a7abbc..7c78da2009 160000
--- a/external/erofs-utils
+++ b/external/erofs-utils
@@ -1 +1 @@
-Subproject commit fa88a7abbcdfe01dc19258c9c2c82c3afb45c196
+Subproject commit 7c78da2009801f8c6cf7966dc8e770f7f965971c