diff --git a/firefox.spec b/firefox.spec
index 2bf0a1fba73a33a2a620890d8952c0658e787fec..89be6e6315d03cba4a0a2ead348dcce6c019ed86 100644
--- a/firefox.spec
+++ b/firefox.spec
@@ -52,7 +52,7 @@
 Summary:        Mozilla Firefox Web browser
 Name:           firefox
 Version:        140.5.0
-Release:        1
+Release:        2
 URL:            https://www.mozilla.org/firefox/
 License:        MPL-1.1 or GPL-2.0-or-later or LGPL-2.0-or-later
 Source0:        https://ftp.mozilla.org/pub/firefox/releases/%{version}esr/source/firefox-%{version}esr.source.tar.xz
@@ -186,7 +186,7 @@ BuildRequires:  pipewire-devel
 BuildRequires:  rust-cbindgen
 %endif
 
-BuildRequires:  cargo
+BuildRequires:  cargo >= %{rust_version}
 BuildRequires:  %{llvm}-clang-devel >= %{llvm_version}
 BuildRequires:  %{llvm}-clang >= %{llvm_version}
 BuildRequires:  %{llvm}-llvm-devel >= %{llvm_version}
@@ -1003,6 +1003,9 @@ fi
 %endif
 
 %changelog
+* Tue Dec 02 2025 lijuzhang<lijuzhang@inspur.com> - 140.5.0-2
+- BuildRequires(cargo) add version constraint
+
 * Tue Nov 11 2025 Funda Wang <fundawang@yeah.net> - 140.5.0-1
 - update to 140.5.0
   * fix CVE-2025-13012, CVE-2025-13013, CVE-2025-13014, CVE-2025-13015,