diff --git a/Dockerfile b/Dockerfile
index 19f3e89af1d151891ac895db091bcebf04b33af0..e8698f95e4be20118f6a190b258cea521fdd797f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -6,6 +6,7 @@ RUN apt-get update -yqq && \
     ca-certificates \
     build-essential \
     g++ \
+    gcc-multilib \
     clang \
     pkg-config \
     libx11-dev \