diff --git a/PKGBUILD b/PKGBUILD
index 4ef0dfe..e3c3bed 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -22,7 +22,7 @@ prepare() {
 
 build() {
     cd "$srcdir/$pkgname"
-    export RUSTUP_TOOLCHAIN=stable
+    export RUSTUP_TOOLCHAIN=nightly
     export CARGO_TARGET_DIR=target
     cargo build --frozen --release
 }