diff --git a/cryfs.spec b/cryfs.spec
index b3b04dfeefe3b098c466657b17b3e5b5b8015eb2..c7583c6786444ddef7bda393124c62ce86b018d7 100644
--- a/cryfs.spec
+++ b/cryfs.spec
@@ -1,9 +1,9 @@
-%global optflags %{optflags} -O3 -fPIC -I%{_includedir}/libunwind
+%global optflags %{optflags} -O2 -fPIC -I%{_includedir}/libunwind
 
 Summary:	Cryptographic filesystem for the cloud
 Name:		cryfs
 Version:	0.9.10
-Release:	2
+Release:	3
 License:	LGPLv3+
 Group:		File tools
 Url:		https://github.com/cryfs/cryfs
@@ -56,6 +56,9 @@ export LDFLAGS="%{__global_ldflags} -lboost_thread -lboost_program_options -lboo
 %{_mandir}/man?/cryfs*
 
 %changelog
+* Tue Sep 16 2025 mahailiang <mahailiang@uniontech.com> - 0.9.10-3
+- downgrade optimize level to fix cryfs dump
+
 * Sun Sep 29 2024 zhuhongbo <zhuhongbo@uniontech.com> - 0.9.10-2
 - fix: use accessible URL