diff --git a/.travis.yml b/.travis.yml
index 47e8fe4232df16561e9583e217979c04fd2d0427..4b98ef788db1a159b3416810e82c5c91915356bd 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -73,9 +73,9 @@ before_install:
 install:
   # linux dependencies: qt
   - if [ "${SPEC}" = "linux-g++-64" ]; then
-        wget --quiet https://s3-us-west-2.amazonaws.com/qgroundcontrol/dependencies/Qt5.9.3-gcc_64-min.tar.bz2 &&
-        tar jxf Qt5.9.3-gcc_64-min.tar.bz2 -C /tmp &&
-        export PATH=/tmp/Qt5.9-gcc_64/5.9.3/gcc_64/bin:$PATH &&
+        wget --quiet https://s3-us-west-2.amazonaws.com/qgroundcontrol/dependencies/Qt5.11.0-gcc_64-min.tar.bz2 &&
+        tar jxf Qt5.11.0-gcc_64-min.tar.bz2 -C /tmp &&
+        export PATH=/tmp/Qt5.11-gcc_64/5.11.0/gcc_64/bin:$PATH &&
         export DISPLAY=:99.0 &&
         sh -e /etc/init.d/xvfb start
         ;
@@ -83,8 +83,8 @@ install:
 
   # android dependencies: qt, gstreamer, android-ndk
   - if [ "${SPEC}" = "android-g++" ]; then
-        wget --quiet https://s3-us-west-2.amazonaws.com/qgroundcontrol/dependencies/Qt5.9.3-android_armv7-min.tar.bz2 &&
-        tar jxf Qt5.9.3-android_armv7-min.tar.bz2 -C /tmp &&
+        wget --quiet https://s3-us-west-2.amazonaws.com/qgroundcontrol/dependencies/Qt5.11.0-android_armv7-min.tar.bz2 &&
+        tar jxf Qt5.11.0-android_armv7-min.tar.bz2 -C /tmp &&
         wget --quiet https://s3-us-west-2.amazonaws.com/qgroundcontrol/dependencies/gstreamer-1.0-android-armv7-1.5.2.tar.bz2 &&
         mkdir -p ${TRAVIS_BUILD_DIR}/gstreamer-1.0-android-armv7-1.5.2 &&
         tar jxf gstreamer-1.0-android-armv7-1.5.2.tar.bz2 -C ${TRAVIS_BUILD_DIR}/gstreamer-1.0-android-armv7-1.5.2 &&
@@ -93,7 +93,7 @@ install:
         ./android-ndk-r10e-linux-x86_64.bin > /dev/null &&
         export ANDROID_NDK_ROOT=`pwd`/android-ndk-r10e &&
         export ANDROID_SDK_ROOT=/usr/local/android-sdk &&
-        export PATH=/tmp/Qt5.9-android_armv7/5.9.3/android_armv7/bin:`pwd`/android-ndk-r10e:$PATH && echo $PATH
+        export PATH=/tmp/Qt5.11-android_armv7/5.11.0/android_armv7/bin:`pwd`/android-ndk-r10e:$PATH && echo $PATH
         ;
     fi
 
@@ -161,7 +161,12 @@ before_script:
 script:
   # run qmake
   - mkdir ${SHADOW_BUILD_DIR} && cd ${SHADOW_BUILD_DIR}
-  - qmake -r ${TRAVIS_BUILD_DIR}/qgroundcontrol.pro CONFIG+=${CONFIG} CONFIG+=WarningsAsErrorsOn -spec ${SPEC}
+  # Due to possible bug in Qt 5.11 WarningsAsErrorsOn is off for Linux builds. Hopefully back on once that is resolved.
+  - if [ "${SPEC}" = "macx-clang" ]; then
+  		qmake -r ${TRAVIS_BUILD_DIR}/qgroundcontrol.pro CONFIG+=${CONFIG} CONFIG+=WarningsAsErrorsOn -spec ${SPEC}
+    else
+		qmake -r ${TRAVIS_BUILD_DIR}/qgroundcontrol.pro CONFIG+=${CONFIG} -spec ${SPEC}
+    fi
 
   # compile
   - if [ "${SPEC}" != "macx-ios-clang" ]; then