diff --git a/roles/build-wheels/files/wheel-build.sh b/roles/build-wheels/files/wheel-build.sh
index 99d4fb9f64..498f379ce9 100755
--- a/roles/build-wheels/files/wheel-build.sh
+++ b/roles/build-wheels/files/wheel-build.sh
@@ -24,6 +24,12 @@ for BRANCH in master $BRANCHES; do
     rm -rf build_env
     virtualenv -p $PYTHON_VERSION build_env
 
+    # NOTE(ianw) 2018-10-22 This is a temporary hack to get some more
+    # info into the logs to debug corrupt wheels.  We should see pip
+    # stamping sha256 hashes into the logs for each wheel, so we can
+    # see if the bad output is coming from pip, or somewhere else.
+    build_env/bin/pip install -e 'git+https://github.com/ianw/pip.git@path-and-hash#egg=pip'
+
     # SHORT_BRANCH is just "master","newton","kilo" etc. because this
     # keeps the output log hierarchy much simpler.
     SHORT_BRANCH=${BRANCH##origin/}