diff --git a/OpenBoard.pro b/OpenBoard.pro
index d21bb776..d44699ac 100644
--- a/OpenBoard.pro
+++ b/OpenBoard.pro
@@ -10,8 +10,8 @@ CONFIG += debug_and_release \
 
 VERSION_MAJ = 1
 VERSION_MIN = 5
-VERSION_PATCH = 3
-VERSION_TYPE = r # a = alpha, b = beta, rc = release candidate, r = release, other => error
+VERSION_PATCH = 4
+VERSION_TYPE = a # a = alpha, b = beta, rc = release candidate, r = release, other => error
 VERSION_BUILD = 0
 
 VERSION = "$${VERSION_MAJ}.$${VERSION_MIN}.$${VERSION_PATCH}-$${VERSION_TYPE}.$${VERSION_BUILD}"
@@ -164,6 +164,7 @@ macx {
    LIBS += -framework CoreMedia
    LIBS += -lcrypto
 
+   LIBS += -L/usr/local/opt/openssl/lib
    LIBS += -L/usr/local/opt/quazip/lib
    LIBS += -L/usr/local/opt/ffmpeg/lib
    INCLUDEPATH += /usr/local/opt/openssl/include
diff --git a/release_scripts/osx/release.macx.sh b/release_scripts/osx/release.macx.sh
index 2dd65a3d..08774744 100755
--- a/release_scripts/osx/release.macx.sh
+++ b/release_scripts/osx/release.macx.sh
@@ -19,7 +19,7 @@ PROJECT_ROOT="$SCRIPT_PATH/../.."
 
 
 APPLICATION_NAME="OpenBoard"
-BASE_QT_DIR=~/Qt/5.5/clang_64
+BASE_QT_DIR=~/Qt/5.9.8/clang_64
 # Executables
 QMAKE=$BASE_QT_DIR/bin/qmake
 MACDEPLOYQT=$BASE_QT_DIR/bin/macdeployqt
@@ -200,6 +200,32 @@ cd "`pwd`/build/macx/release/product/"
 $MACDEPLOYQT "`pwd`/$APPLICATION_NAME.app"
 cd -
 
+# make sure libs installed via homebrew 2.0 refer to in-app libs
+notify "relinking libs ..."
+# libavformat
+install_name_tool "$APP/Contents/Frameworks/libavformat.58.dylib" -change /usr/local/Cellar/ffmpeg/4.1.4_2/lib/libavcodec.58.dylib @executable_path/../Frameworks/libavcodec.58.dylib
+install_name_tool "$APP/Contents/Frameworks/libavformat.58.dylib" -change /usr/local/Cellar/ffmpeg/4.1.4_2/lib/libswresample.3.dylib @executable_path/../Frameworks/libswresample.3.dylib
+install_name_tool "$APP/Contents/Frameworks/libavformat.58.dylib" -change /usr/local/Cellar/ffmpeg/4.1.4_2/lib/libavutil.56.dylib @executable_path/../Frameworks/libavutil.56.dylib
+
+# libavcodec
+install_name_tool "$APP/Contents/Frameworks/libavcodec.58.dylib" -change /usr/local/Cellar/ffmpeg/4.1.4_2/lib/libswresample.3.dylib  @executable_path/../Frameworks/libswresample.3.dylib
+install_name_tool "$APP/Contents/Frameworks/libavcodec.58.dylib" -change /usr/local/Cellar/ffmpeg/4.1.4_2/lib/libavutil.56.dylib @executable_path/../Frameworks/libavutil.56.dylib
+
+#libswresample
+install_name_tool "$APP/Contents/Frameworks/libswresample.3.dylib" -change /usr/local/Cellar/ffmpeg/4.1.4_2/lib/libavutil.56.dylib @executable_path/../Frameworks/libavutil.56.dylib
+
+#libswscale
+install_name_tool "$APP/Contents/Frameworks/libswscale.5.dylib" -change /usr/local/Cellar/ffmpeg/4.1.4_2/lib/libavutil.56.dylib @executable_path/../Frameworks/libavutil.56.dylib
+
+# libhogweed
+install_name_tool "$APP/Contents/Frameworks/libhogweed.4.dylib" -change /usr/local/Cellar/nettle/3.4.1/lib/libnettle.6.dylib @executable_path/../Frameworks/libnettle.6.dylib
+
+# libssl
+install_name_tool "$APP/Contents/Frameworks/libssl.1.1.dylib" -change /usr/local/Cellar/openssl@1.1/1.1.1d/lib/libcrypto.1.1.dylib @executable_path/../Frameworks/libcrypto.1.1.dylib
+
+# libvorbis
+install_name_tool "$APP/Contents/Frameworks/libvorbisenc.2.dylib" -change /usr/local/Cellar/libvorbis/1.3.6/lib/libvorbis.0.dylib @executable_path/../Frameworks/libvorbis.0.dylib
+
 notify "Extracting debug information ..."
 $DSYMUTIL "$APP/Contents/MacOS/$APPLICATION_NAME" -o "$DSYM"
 $STRIP -S "$APP/Contents/MacOS/$APPLICATION_NAME"
diff --git a/release_scripts/osx/relink_libs.sh b/release_scripts/osx/relink_libs.sh
new file mode 100755
index 00000000..7fdc0eea
--- /dev/null
+++ b/release_scripts/osx/relink_libs.sh
@@ -0,0 +1,52 @@
+# Directories
+PRODUCT_DIR="$BUILD_DIR/product"
+
+function notify {
+    GROWLNOTIFY=`which growlnotify`
+    if [ -x "$GROWLNOTIFY" ]; then
+        $GROWLNOTIFY --name OpenBoard-build --iconpath /Developer/Applications/Xcode.app --message "$1" "OpenBoard"
+    fi
+    printf "\033[32m--->\033[0m $1\n"
+}
+
+function abort {
+    printf "\033[31merror:\033[0m $1\n"
+    exit 1
+}
+
+function warn {
+    abort "$1"
+}
+
+function checkExecutable {
+    if [ ! -x "$1" ]; then
+        abort "$1 not found"
+    fi
+}
+
+APP="$PRODUCT_DIR/$APPLICATION_NAME.app"
+# make sure libs installed via homebrew 2.0 refer to in-app libs
+notify "relinking libs ..."
+# libavformat
+install_name_tool "$APP/Contents/Frameworks/libavformat.58.dylib" -change /usr/local/Cellar/ffmpeg/4.1.4_2/lib/libavcodec.58.dylib @executable_path/../Frameworks/libavcodec.58.dylib
+install_name_tool "$APP/Contents/Frameworks/libavformat.58.dylib" -change /usr/local/Cellar/ffmpeg/4.1.4_2/lib/libswresample.3.dylib @executable_path/../Frameworks/libswresample.3.dylib
+install_name_tool "$APP/Contents/Frameworks/libavformat.58.dylib" -change /usr/local/Cellar/ffmpeg/4.1.4_2/lib/libavutil.56.dylib @executable_path/../Frameworks/libavutil.56.dylib
+
+# libavcodec
+install_name_tool "$APP/Contents/Frameworks/libavcodec.58.dylib" -change /usr/local/Cellar/ffmpeg/4.1.4_2/lib/libswresample.3.dylib  @executable_path/../Frameworks/libswresample.3.dylib
+install_name_tool "$APP/Contents/Frameworks/libavcodec.58.dylib" -change /usr/local/Cellar/ffmpeg/4.1.4_2/lib/libavutil.56.dylib @executable_path/../Frameworks/libavutil.56.dylib
+
+#libswresample
+install_name_tool "$APP/Contents/Frameworks/libswresample.3.dylib" -change /usr/local/Cellar/ffmpeg/4.1.4_2/lib/libavutil.56.dylib @executable_path/../Frameworks/libavutil.56.dylib
+
+#libswscale
+install_name_tool "$APP/Contents/Frameworks/libswscale.5.dylib" -change /usr/local/Cellar/ffmpeg/4.1.4_2/lib/libavutil.56.dylib @executable_path/../Frameworks/libavutil.56.dylib
+
+# libhogweed
+install_name_tool "$APP/Contents/Frameworks/libhogweed.4.dylib" -change /usr/local/Cellar/nettle/3.4.1/lib/libnettle.6.dylib @executable_path/../Frameworks/libnettle.6.dylib
+
+# libssl
+install_name_tool "$APP/Contents/Frameworks/libssl.1.1.dylib" -change /usr/local/Cellar/openssl@1.1/1.1.1c/lib/libcrypto.1.1.dylib @executable_path/../Frameworks/libcrypto.1.1.dylib
+
+# libvorbis
+install_name_tool "$APP/Contents/Frameworks/libvorbisenc.2.dylib" -change /usr/local/Cellar/libvorbis/1.3.6/lib/libvorbis.0.dylib @executable_path/../Frameworks/libvorbis.0.dylib