--- a/taskcluster/scripts/misc/build-clang-7-pre-mingw.sh
+++ b/taskcluster/scripts/misc/build-clang-7-pre-mingw.sh
@@ -10,17 +10,17 @@ UPLOAD_DIR=$HOME/artifacts
 TOOLCHAIN_DIR=$WORKSPACE/moz-toolchain
 INSTALL_DIR=$TOOLCHAIN_DIR/build/stage3/clang
 CROSS_PREFIX_DIR=$INSTALL_DIR/x86_64-w64-mingw32
 SRC_DIR=$TOOLCHAIN_DIR/src
 
 CLANG_VERSION=7.0.0
 make_flags="-j$(nproc)"
 
-mingw_version=49ca7cfe7e09f924e939921b42a3452203c437b7
+mingw_version=93c7d161afd24b6134e0b1a0c49fa1dd571b73a4
 libunwind_version=86ab23972978242b6f9e27cebc239f3e8428b1af
 
 binutils_version=2.27
 binutils_ext=bz2
 binutils_sha=369737ce51587f92466041a97ab7d2358c6d9e1b6490b3940eb09fb0a9a6ac88
 
 # This is default value of _WIN32_WINNT. Gecko configure script explicitly sets this,
 # so this is not used to build Gecko itself. We default to 0x600, which is Windows Vista.