diff --git a/.travis/build-macos.sh b/.travis/build-macos.sh
index 4629442b..3e861deb 100755
--- a/.travis/build-macos.sh
+++ b/.travis/build-macos.sh
@@ -4,6 +4,6 @@ if echo $TRAVIS_TAG | grep ^v; then BUILD_TYPE=RelWithDebInfo; else BUILD_TYPE=D
 
 mkdir build
 cd build
-cmake -DCMAKE_OSX_DEPLOYMENT_TARGET=10.7 -DCMAKE_BUILD_TYPE=$BUILD_TYPE ..
-make
+cmake -DCMAKE_OSX_DEPLOYMENT_TARGET=10.9 -DCMAKE_BUILD_TYPE=$BUILD_TYPE ..
+make -j2
 make test_solvespace
diff --git a/.travis/sign-macos.sh b/.travis/sign-macos.sh
index e5e76232..da90ec21 100755
--- a/.travis/sign-macos.sh
+++ b/.travis/sign-macos.sh
@@ -2,7 +2,7 @@
 
 cd build
 
-# app="bin/SolveSpace.app"
+app="bin/SolveSpace.app"
 dmg="bin/SolveSpace.dmg"
 bundle_id="com.solvespace.solvespace"
 
@@ -18,11 +18,16 @@ security unlock-keychain -p secret build.keychain
 security import certificate.p12 -k build.keychain -P $MACOS_CERTIFICATE_PASSWORD -T /usr/bin/codesign
 
 security set-key-partition-list -S apple-tool:,apple: -s -k secret build.keychain
-#security set-keychain-settings -t 3600 -u build.keychain
 
 # check if all is good
 security find-identity -v
 
+# sign the .app
+codesign -s "${MACOS_DEVELOPER_ID}" --timestamp --options runtime -f --deep "${app}"
+
+# create the .dmg from the signed .app
+hdiutil create -srcfolder "${app}" "${dmg}"
+
 # sign the .dmg
 codesign -s "${MACOS_DEVELOPER_ID}" --timestamp --options runtime -f --deep "${dmg}"
 
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 1b6d9005..fd8359f6 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -410,14 +410,4 @@ if(APPLE)
         COMMAND ${CMAKE_COMMAND} -E copy $<TARGET_FILE:solvespace-cli> ${bundle_bin}
         COMMENT "Bundling executable solvespace-cli"
         VERBATIM)
-
-    add_custom_command(OUTPUT ${EXECUTABLE_OUTPUT_PATH}/${bundle}.dmg
-        COMMAND ${CMAKE_COMMAND} -E remove ${EXECUTABLE_OUTPUT_PATH}/${bundle}.dmg
-        COMMAND hdiutil create -srcfolder ${EXECUTABLE_OUTPUT_PATH}/${bundle}.app
-                ${EXECUTABLE_OUTPUT_PATH}/${bundle}.dmg
-        DEPENDS solvespace
-        COMMENT "Building ${bundle}.dmg"
-        VERBATIM)
-    add_custom_target(${bundle}-dmg ALL
-        DEPENDS ${EXECUTABLE_OUTPUT_PATH}/${bundle}.dmg)
 endif()