diff --git a/PKGBUILD b/PKGBUILD
index 3de4b30..7a49a0d 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -17,6 +17,8 @@ build() {
 		-a -v \
 		-ldflags="-X main.version=${pkgver}" \
 		-mod=readonly
+
+	GO111MODULE=on GOPATH="${srcdir}/go" go clean -modcache
 }
 
 package() {