diff --git a/Dockerfile.shared b/Dockerfile.shared
index c2b29f9..2e01d14 100644
--- a/Dockerfile.shared
+++ b/Dockerfile.shared
@@ -1,5 +1,5 @@
 # Debian Buster is recommended
-FROM syping/llvm-mingw-debian:10.0
+FROM syping/llvm-mingw-debian:10.0.1
 
 # Custom Directory
 ENV CUSTOM_DIRECTORY YES
@@ -15,11 +15,11 @@ ENV QT_SERIES 5.15
 ENV QT_BUILD 0
 ENV ZLIB_VERSION 1.2.11
 ENV LIBPNG_VERSION 1.6.37
-ENV LIBJPEGTURBO_VERSION 2.0.4
-ENV LIBRESSL_VERSION 3.1.2
+ENV LIBJPEGTURBO_VERSION 2.0.5
+ENV LIBRESSL_VERSION 3.1.3
 ENV OPENSSL_VERSION 1.1.1g
 ENV ICU_VERSION 67.1
-ENV HB_VERSION 2.6.7
+ENV HB_VERSION 2.7.0
 
 # SSL Choice
 ENV CUSTOM_SSL YES
@@ -37,6 +37,8 @@ ENV BUILD_MINGW64_STATIC NO
 # DON'T EDIT BELOW THIS LINE #
 ##############################
 
+WORKDIR /
+
 COPY qt_build /opt/qt_build/bin/
 
 RUN rm -f /bin/sh && \
diff --git a/Dockerfile.static b/Dockerfile.static
index b8f8c01..14810fa 100644
--- a/Dockerfile.static
+++ b/Dockerfile.static
@@ -1,5 +1,5 @@
 # Debian Buster is recommended
-FROM syping/llvm-mingw-debian:10.0
+FROM syping/llvm-mingw-debian:10.0.1
 
 # Custom Directory
 ENV CUSTOM_DIRECTORY YES
@@ -15,11 +15,11 @@ ENV QT_SERIES 5.15
 ENV QT_BUILD 0
 ENV ZLIB_VERSION 1.2.11
 ENV LIBPNG_VERSION 1.6.37
-ENV LIBJPEGTURBO_VERSION 2.0.4
-ENV LIBRESSL_VERSION 3.1.2
+ENV LIBJPEGTURBO_VERSION 2.0.5
+ENV LIBRESSL_VERSION 3.1.3
 ENV OPENSSL_VERSION 1.1.1g
 ENV ICU_VERSION 67.1
-ENV HB_VERSION 2.6.7
+ENV HB_VERSION 2.7.0
 
 # SSL Choice
 ENV CUSTOM_SSL YES
@@ -37,6 +37,8 @@ ENV BUILD_MINGW64_SHARED NO
 # DON'T EDIT BELOW THIS LINE #
 ##############################
 
+WORKDIR /
+
 COPY qt_build /opt/qt_build/bin/
 COPY qmake-static /usr/local/bin/
 
diff --git a/qt_build b/qt_build
index 5e07f22..5c69194 100644
--- a/qt_build
+++ b/qt_build
@@ -22,11 +22,11 @@ if [ ! "${CUSTOM_VERSION}" == "YES" ]; then
    # Third Party
    ZLIB_VERSION=1.2.11
    LIBPNG_VERSION=1.6.37
-   LIBJPEGTURBO_VERSION=2.0.4
-   LIBRESSL_VERSION=3.1.2
+   LIBJPEGTURBO_VERSION=2.0.5
+   LIBRESSL_VERSION=3.1.3
    OPENSSL_VERSION=1.1.1g
    ICU_VERSION=67.1
-   HB_VERSION=2.6.7 # HarfBuzz
+   HB_VERSION=2.7.0 # HarfBuzz
 
    # Qt Framework
    QT_SERIES=5.15 # (x.x).y
@@ -755,6 +755,10 @@ function qt_source {
       echo -e "MAKEFILE_GENERATOR=UNIX\nCONFIG+=incremental\nQMAKE_INCREMENTAL_STYLE=sublib\ninclude(../common/linux.conf)\ninclude(../common/gcc-base-unix.conf)\ninclude(../common/g++-unix.conf)\nQMAKE_CC=aarch64-linux-gnu-gcc\nQMAKE_CXX=aarch64-linux-gnu-g++\nQMAKE_LINK=aarch64-linux-gnu-g++\nQMAKE_LINK_SHLIB=aarch64-linux-gnu-g++\nQMAKE_AR=aarch64-linux-gnu-ar cqs\nQMAKE_OBJCOPY=aarch64-linux-gnu-objcopy\nQMAKE_NM=aarch64-linux-gnu-nm -P\nQMAKE_STRIP=aarch64-linux-gnu-strip\nload(qt_config)" > "${ARCHIVE}/qtbase/mkspecs/linux-aarch64-gnu-g++/qmake.conf"
       echo -e "#include \"../linux-g++/qplatformdefs.h\"" > "${ARCHIVE}/qtbase/mkspecs/linux-aarch64-gnu-g++/qplatformdefs.h"
    fi
+   # Patch Qt 5.15.0 DirectWrite bug
+   if [ "$VERSION" == "5.15.0" ]; then
+      wget -q -O "${ARCHIVE}/qtbase/src/platformsupport/fontdatabases/qwindowsfontenginedirectwrite.cpp" "https://gist.githubusercontent.com/Syping/d6c3cb1a8cfa678f959252a7faae5f9c/raw/qwindowsfontenginedirectwrite.cpp"
+   fi
    QT_VERSION=${VERSION}
    SOURCE_DIR_QT="${SOURCE_DIR}/${ARCHIVE}"
 }