diff --git a/Dockerfile.debian b/Dockerfile.debian
index 0b4f9d2c..58855d31 100644
--- a/Dockerfile.debian
+++ b/Dockerfile.debian
@@ -7,7 +7,6 @@ RUN apt-get update && \
   python3
 COPY . .
 RUN npm install --ignore-scripts
-RUN MAKEFLAGS=-j$(nproc) npx -y prebuild
-
+RUN CXX=g++-11 MAKEFLAGS=-j$(nproc) npx -y prebuild
 FROM scratch
 COPY --from=build /isolated-vm/prebuilds .