diff --git a/scripts/windows/Dockerfile b/scripts/windows/Dockerfile
index 90d6c27..f4f1a83 100644
--- a/scripts/windows/Dockerfile
+++ b/scripts/windows/Dockerfile
@@ -1,4 +1,4 @@
-FROM oldmud0/mxe-qt:5.12.1-win32-static-posix
+FROM oldmud0/mxe-qt:5.13.0-win32-static-posix
 #FROM fffaraz/qt:windows
 
 ENV TARGET_SPEC i686-w64-mingw32.static.posix
@@ -10,8 +10,5 @@ RUN /opt/mxe/usr/bin/${TARGET_SPEC}-cmake .. -DCMAKE_INSTALL_PREFIX=/opt/mxe/usr
 RUN /opt/mxe/usr/bin/${TARGET_SPEC}-cmake --build . --config Release --target install
 WORKDIR ../..
 
-# Build QtApng statically
-RUN git clone https://github.com/Skycoder42/QtApng
-WORKDIR QtApng
-RUN /opt/mxe/usr/${TARGET_SPEC}/qt5/bin/qmake && make qmake_all && make && make install
-WORKDIR ..
+# NOTE: Do not build QtApng statically! libpng contains a self-test entry point that
+# takes precedence for some reason over the final build's entry point.