diff --git a/.travis.yml b/.travis.yml
index d7b2b34be..ea587f572 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -10,9 +10,9 @@ matrix:
   include:
   - os: linux
     jdk: oraclejdk8
-    env: UPLOAD=true
-  - os: linux
-    jdk: openjdk7
+    env: UPLOAD=true UPLOAD_NATIVE=true
+  # - os: linux
+  #   jdk: openjdk7
 
 addons:
   apt:
@@ -21,7 +21,7 @@ addons:
     - g++-multilib
 
 before_install:
-  - git fetch --unshallow
+  - '[ -n "$UPLOAD" ] && git fetch --unshallow || :'
 
 before_cache:
   - rm -f  $HOME/.gradle/caches/modules-2/modules-2.lock
@@ -37,10 +37,9 @@ install:
 
 script:
   - ./gradlew check
-  - 'export UPLOAD_NATIVE=$(git diff-tree --name-only $TRAVIS_COMMIT -- jme3-bullet-native/)'
-  - '[ "$UPLOAD_NATIVE" != "" ] && echo will upload native || echo not uploading native'
 
 after_success:
+  - '[ -n "$TRAVIS_TAG" ] && [ "$TRAVIS_PULL_REQUEST" == "false" ] && [ -n "$UPLOAD_NATIVE" ] && ./private/upload_native.sh || :'
   - '[ -n "$TRAVIS_TAG" ] && [ "$TRAVIS_PULL_REQUEST" == "false" ] && [ -n "$UPLOAD" ] && ./gradlew bintrayUpload || :'
 
 notifications:
diff --git a/appveyor.yml b/appveyor.yml
index 86e7f53b8..d81f587ef 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -16,19 +16,14 @@ clone_depth: 1
 
 image: Visual Studio 2013
 
-environment:
-  priv_key:
-    secure: g0Q/3gQcGBr74DyDiaTi48DSKEuNAympaHF0pjWeeQgKlPZEBUNPKbBM+okJn13/IvEo5YiQO19l/0G0B6J0oiEAm9h8x+I31jskKFUD5Og9xZkZB0m0aI7zoBReiZTqojIBw8zZo4xXCkOhFTrzxaeJtqdtcObPFGWk4uUdPlcne3e81NHj6TWax2tx+yqA0i6Jkz+Jd+XvbicskgthjCmcNz07XhS7F6niC8REbSU=
-
 init:
-- ps: >-
-    $fileContent = "-----BEGIN EC PRIVATE KEY-----`n"
-
-    $fileContent += $env:priv_key.Replace(' ', "`n")
+- cmd: openssl aes-256-cbc -K %encrypted_f0a0b284e2e8_key% -iv %encrypted_f0a0b284e2e8_iv% -in private/key.enc -out c:\users\appveyor\.ssh\id_rsa -d
 
-    $fileContent += "`n-----END EC PRIVATE KEY-----`n"
-
-    Set-Content c:\users\appveyor\.ssh\id_rsa $fileContent
+environment:
+  encrypted_f0a0b284e2e8_iv:
+    secure: aImQXs4g7zMXm1nWRvlh2wPK1UQvozS1fOVNthpyoEDFZ2FvBSdXqh5NPbGh44+F
+  encrypted_f0a0b284e2e8_key:
+    secure: Ek2lqC2e19qQDRRdlvnYyLFBq3TNj6YwKTAPuJ2VElJsxi9lQg+9ZP+VbP4kbHTx6Zaa++vtmOuxLZL7gdILrEEPa1Jix2BBLBfcxBUxe6w=
 
 install:
   - cmd: del C:\Users\appveyor\.gradle\caches\modules-2\modules-2.lock
diff --git a/jme3-bullet-native/build.gradle b/jme3-bullet-native/build.gradle
index 80fa6c759..b94769943 100644
--- a/jme3-bullet-native/build.gradle
+++ b/jme3-bullet-native/build.gradle
@@ -191,7 +191,6 @@ unzipBullet.dependsOn {
 }
 
 task unzipBulletIfNeeded {
-
 }
 
 unzipBulletIfNeeded.dependsOn {
diff --git a/private/key.enc b/private/key.enc
new file mode 100644
index 000000000..ecabf1678
--- /dev/null
+++ b/private/key.enc
@@ -0,0 +1,4 @@
+&"��+�q.�g�2K:�ƇT����
>1��8�]v^LЫ��/R"�o2�#5;�Q`;�@񻦱��&{�y�JGaG��;���lTd��l��tn�Hx���p~W�r��J5����争�C���h_#�
+۞��){2xX��dފ��u�1޳�
+"
+�P����� DC��'e1��D�k�]i�x&"n�93�5��d6�==�X�b�8JW�B��/�wm�J&Y���죊u=*�
\ No newline at end of file
diff --git a/private/upload_native.sh b/private/upload_native.sh
new file mode 100755
index 000000000..9596751a8
--- /dev/null
+++ b/private/upload_native.sh
@@ -0,0 +1,12 @@
+#!/bin/sh
+set -e
+NATIVE_CHANGES="$(git diff-tree --name-only "$TRAVIS_COMMIT" -- jme3-bullet-native/)"
+if [ "$NATIVE_CHANGES" != "" ]; then
+    ./gradlew --no-daemon -PbuildNativeProjects=true :jme3-bullet-native:assemble
+    openssl aes-256-cbc -K $encrypted_f0a0b284e2e8_key -iv $encrypted_f0a0b284e2e8_iv -in private/key.enc -out "$HOME/.ssh/id_rsa" -d
+    git checkout -q "$TRAVIS_BRANCH"
+    git add -- jme3-bullet-native/libs/native/
+    git commit -m "[ci skip] bullet: update $TRAVIS_OS_NAME natives"
+    git pull -q --rebase
+    git push git@github.com:jMonkeyEngine/jmonkeyengine.git
+fi