diff --git a/external/buildroot/configs/cvitek_CV181X_musl_riscv64_defconfig b/external/buildroot/configs/cvitek_CV181X_musl_riscv64_defconfig
index 686dc6f9..6e095c3d 100644
--- a/external/buildroot/configs/cvitek_CV181X_musl_riscv64_defconfig
+++ b/external/buildroot/configs/cvitek_CV181X_musl_riscv64_defconfig
@@ -391,6 +391,7 @@ BR2_PACKAGE_LIVE555=y
 BR2_PACKAGE_PYTHON3=y
 BR2_PACKAGE_PYTHON3_PY_PYC=y
 BR2_PACKAGE_PYTHON3_UNICODEDATA=y
+BR2_PACKAGE_EXPAT=Y
 
 #
 # libcgroup needs a glibc toolchain w/ C++