diff --git a/Dockerfile b/Dockerfile
index 40c02e4..2ba552b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,9 @@
 FROM jackmckew/pyinstaller-windows
 
+#extra winetrick step to fix "Unimplemented function ucrtbase.dll.crealf called"
+RUN apt-get install -y xvfb libgnutls30 libgnutls30:i386
+RUN xvfb-run winetricks --force -q vcrun2019
+
 COPY entrypoint.sh /entrypoint.sh
 RUN chmod +x /entrypoint.sh