diff --git a/Dockerfile b/Dockerfile
index 6c04f67..1e02d86 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -16,8 +16,11 @@ ENV RUSTUP_HOME=/usr/local/rustup \
 RUN set -eux; \
     apt update; \
     apt install -y --no-install-recommends \
+        ### essentials
         ca-certificates gcc libc6-dev wget \
-        ### https://github.com/emilk/eframe_template requirements
+        ### crosscompiling
+        mingw-w64 \
+        ### requirements for github.com/emilk/eframe_template
         libxcb-render0-dev libxcb-shape0-dev libxcb-xfixes0-dev libspeechd-dev libxkbcommon-dev libssl-dev \
         ; \
     dpkgArch="$(dpkg --print-architecture)"; \