diff --git a/Dockerfile b/Dockerfile
index 6b0ff24..ee470a8 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,7 @@
 FROM emscripten/emsdk:3.1.47
 RUN apt-get update && apt-get install -qqy autoconf autopoint pkg-config libtool libtool-bin
+# Include fix from https://github.com/emscripten-core/emscripten/pull/20452.
+# Remove when 3.1.48 is released.
+RUN emsdk install releases-e7f0e42ac993b2a9e0416cd35e6f4bc57519a0db-64bit
 WORKDIR /src
 CMD ["sh", "-c", "emmake make -j`nproc`"]