diff --git a/app-admin/clamav/autobuild/defines b/app-admin/clamav/autobuild/defines
index 74a6771f751c..ebff21c9a418 100644
--- a/app-admin/clamav/autobuild/defines
+++ b/app-admin/clamav/autobuild/defines
@@ -35,7 +35,8 @@ CMAKE_AFTER="-DAPP_CONFIG_DIRECTORY=/etc/clamav \
              -DENABLE_STATIC_LIB=OFF \
              -DENABLE_SHARED_LIB=ON \
              -DENABLE_UNRAR=ON \
-             -DENABLE_SYSTEMD=ON"
+             -DENABLE_SYSTEMD=ON \
+             -DVENDOR_DEPENDENCIES=ON"
 CMAKE_AFTER__RETRO=" \
              ${CMAKE_AFTER} \
              -DENABLE_DOXYGEN=OFF \
diff --git a/app-admin/clamav/autobuild/patches/0001-Update-Rust-dependency-to-fix-build-errors-on-LoongA.patch b/app-admin/clamav/autobuild/patches/0001-Update-Rust-dependency-to-fix-build-errors-on-LoongA.patch
new file mode 100644
index 000000000000..cb1c85f4b6c3
--- /dev/null
+++ b/app-admin/clamav/autobuild/patches/0001-Update-Rust-dependency-to-fix-build-errors-on-LoongA.patch
@@ -0,0 +1,30 @@
+From f320eeb064f2f2526df787bd39cd0339f38f2994 Mon Sep 17 00:00:00 2001
+From: Felix Yan <felixonmars@archlinux.org>
+Date: Tue, 2 Dec 2025 07:22:45 +0800
+Subject: [PATCH] Update Rust dependency to fix build errors on LoongArch
+
+The new version contains fix from
+https://github.com/VoidStarKat/half-rs/pull/136
+---
+ Cargo.lock | 4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/Cargo.lock b/Cargo.lock
+index 37226169b..e5a808ea4 100644
+--- a/Cargo.lock
++++ b/Cargo.lock
+@@ -862,9 +862,9 @@ checksum = "0cc23270f6e1808e30a928bdc84dea0b9b4136a8bc82338574f23baf47bbd280"
+ 
+ [[package]]
+ name = "half"
+-version = "2.7.0"
++version = "2.7.1"
+ source = "registry+https://github.com/rust-lang/crates.io-index"
+-checksum = "e54c115d4f30f52c67202f079c5f9d8b49db4691f460fdb0b4c2e838261b2ba5"
++checksum = "6ea2d84b969582b4b1864a92dc5d27cd2b77b622a8d79306834f1be5ba20d84b"
+ dependencies = [
+  "cfg-if",
+  "crunchy",
+-- 
+2.52.0
+
diff --git a/app-admin/clamav/spec b/app-admin/clamav/spec
index 8b9465d0fe98..db99e768301e 100644
--- a/app-admin/clamav/spec
+++ b/app-admin/clamav/spec
@@ -1,4 +1,4 @@
-VER=1.4.3
+VER=1.5.1
 SRCS="tbl::https://www.clamav.net/downloads/production/clamav-$VER.tar.gz"
-CHKSUMS="sha256::d874cabf3d4765b35b518ef535658a1e6ec74802006a1d613f9f124aa1343210"
+CHKSUMS="sha256::64fe4a16a5622c1d71efe9ed7f2c2fbd37f8f237da9f11ff66b73038df71db91"
 CHKUPDATE="anitya::id=291"