diff --git a/ci/install-upstream-wheels.sh b/ci/install-upstream-wheels.sh
index adab65b..44d701d 100755
--- a/ci/install-upstream-wheels.sh
+++ b/ci/install-upstream-wheels.sh
@@ -1,5 +1,9 @@
 #!/usr/bin/env bash
 
+set -e
+set -u
+set -o pipefail
+
 # forcibly remove packages to avoid artifacts
 conda uninstall -y --force \
   cartopy \
@@ -7,18 +11,17 @@ conda uninstall -y --force \
   numpy \
   packaging \
   pandas \
+  shapely \
   xarray
+
 # to limit the runtime of Upstream CI
-python -m pip install \
-    -i https://pypi.anaconda.org/scientific-python-nightly-wheels/simple \
-    --no-deps \
-    --pre \
-    --upgrade \
+python -m pip install -i https://pypi.anaconda.org/scientific-python-nightly-wheels/simple --no-deps --pre \
     matplotlib \
     numpy \
     pandas \
     shapely \
     xarray
+
 python -m pip install \
     --no-deps \
     --upgrade \