diff --git a/backport-fix-typo.patch  b/backport-fix-typo.patch 
new file mode 100644
index 0000000000000000000000000000000000000000..1efff602968fd286d5251af1715fdc5a63cb5be5
--- /dev/null
+++ b/backport-fix-typo.patch 	
@@ -0,0 +1,24 @@
+From 9296ba5d08b11beac85f59ac6a10e7ffec7f5db2 Mon Sep 17 00:00:00 2001
+From: lizhuo <lizhuo@xfusion.com>
+Date: Fri, 18 Apr 2025 19:08:57 +0800
+Subject: [PATCH] fix-typo
+
+---
+ lib/tpm2_eventlog.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/lib/tpm2_eventlog.c b/lib/tpm2_eventlog.c
+index 1b59eee..fed9c92 100644
+--- a/lib/tpm2_eventlog.c
++++ b/lib/tpm2_eventlog.c
+@@ -404,7 +404,7 @@ size_t i;
+             break;
+
+         default:
+-            LOG_WARN("Event %zu is unexectedly not extending either PCR 8, 9, 12 or 14", eventnum - 1);
++            LOG_WARN("Event %zu is unexpectedly not extending either PCR 8, 9, 12 or 14", eventnum - 1);
+             return false;
+         }
+
+--
+2.33.0
\ No newline at end of file
diff --git a/tpm2-tools.spec b/tpm2-tools.spec
index eba24150c37dcd1fc8410cfdc092fc8e8e037736..1aea44becee9881c4c02d43b77e88b5fc8bbc7c7 100644
--- a/tpm2-tools.spec
+++ b/tpm2-tools.spec
@@ -1,6 +1,6 @@
 Name:          tpm2-tools
 Version:       5.5
-Release:       3
+Release:       4
 Summary:       A TPM2.0 testing tool based on TPM2.0-TSS
 License:       BSD
 URL:           https://github.com/tpm2-software/tpm2-tools
@@ -9,6 +9,7 @@ Source0:       https://github.com/tpm2-software/tpm2-tools/releases/download/%{v
 Patch0:        backport-CVE-2024-29038.patch
 Patch1:        backport-CVE-2024-29039.patch
 Patch2:	       revert-sm2-sign-and-verifysignature.patch
+Patch3:        backport-fix-typo.patch
 
 BuildRequires: gcc-c++ libtool autoconf-archive pkgconfig(cmocka) pkgconfig(libcurl) pkgconfig(openssl)
 BuildRequires: pkgconfig(tss2-mu) pkgconfig(tss2-sys) pkgconfig(tss2-esys) pkgconfig(uuid) libgcrypt
@@ -60,6 +61,9 @@ make check
 %{_mandir}/*/*
 
 %changelog
+* Mon Apr 21 2025 lizhuo <lizhuo@xfusion.com> - 5.5-4
+- fix typo
+
 * Fri Jun 21 2024 bianxiuning <bianxiuning@kylinos.cn> - 5.5-3
 - revert sm2 sign and verifysignature