diff --git a/Dockerfile.builder b/Dockerfile.builder
index a54b698..ab2b8fb 100644
--- a/Dockerfile.builder
+++ b/Dockerfile.builder
@@ -17,4 +17,5 @@ RUN apt-get update && \
     libpipewire-0.3-dev \
     libpango1.0-dev \
     libdisplay-info-dev \
-    cargo
+    rustup && \
+    rustup default stable