diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 3a929f846..4a6273230 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -39,6 +39,13 @@ jobs:
       with:
         # we need full history to diff against the original for linting etc.
         fetch-depth: 0
+    - name: Configure AWS Credentials
+      continue-on-error: true
+      uses: aws-actions/configure-aws-credentials@v1
+      with:
+        aws-access-key-id: ${{ secrets.GHA_AWS_ACCESS_KEY_ID }}
+        aws-secret-access-key: ${{ secrets.GHA_AWS_SECRET_ACCESS_KEY }}
+        aws-region: us-west-2
     - name: Run CI script
       shell: bash -e -o pipefail -l {0}
       env:
@@ -53,6 +60,7 @@ jobs:
         . ./ci/travis/ci.sh init
         . ./ci/travis/ci.sh lint
         . ./ci/travis/ci.sh build
+        . ./ci/travis/ci.sh upload_wheels || true
         . ./ci/travis/ci.sh test_python
         . ./ci/travis/ci.sh test_wheels
     - name: Run Clang Include-What-You-Use
diff --git a/ci/travis/ci.sh b/ci/travis/ci.sh
index 2f4914e56..fe2252789 100755
--- a/ci/travis/ci.sh
+++ b/ci/travis/ci.sh
@@ -78,6 +78,23 @@ need_wheels() {
   return "${error_code}"
 }
 
+upload_wheels() {
+  local branch="" commit
+  commit="$(git rev-parse --verify HEAD)"
+  if [ -z "${branch}" ]; then branch="${TRAVIS_BRANCH-}"; fi
+  if [ -z "${branch}" ]; then branch="${GITHUB_BASE_REF-}"; fi
+  if [ -z "${branch}" ]; then branch="${GITHUB_REF#refs/heads/}"; fi
+  if [ -z "${branch}" ]; then echo "Unable to detect branch name" 1>&2; return 1; fi
+  local local_dir="python/dist"
+  local remote_dir="${branch}/${commit}"
+  if [ -d "${local_dir}" ]; then
+    if command -V aws; then
+      aws s3 sync --acl public-read --no-progress "${local_dir}" "s3://ray-wheels/${remote_dir}"
+    fi
+  fi
+}
+
+
 test_python() {
   if [ "${OSTYPE}" = msys ]; then
     # Windows -- most tests won't work yet; just do the ones we know work
diff --git a/ci/travis/install-dependencies.sh b/ci/travis/install-dependencies.sh
index 09f196795..16f473f7a 100755
--- a/ci/travis/install-dependencies.sh
+++ b/ci/travis/install-dependencies.sh
@@ -60,6 +60,9 @@ install_miniconda() {
       ;;
   esac
   reload_env
+  if [ -n "${PYTHON-}" ]; then
+    conda install -q -y python="${PYTHON}"
+  fi
   python -m pip install --upgrade --quiet pip
 }