diff --git a/ci/check_conda_nightly_env.py b/ci/check_conda_nightly_env.py
index 5f374f92..43c4c309 100644
--- a/ci/check_conda_nightly_env.py
+++ b/ci/check_conda_nightly_env.py
@@ -4,7 +4,6 @@
 import sys
 from datetime import datetime, timedelta
 
-
 OLD_PACKAGE_THRESHOLD_DAYS = 3
 
 EXCLUDED_PACKAGES = {
diff --git a/ci/test_conda_nightly_env.sh b/ci/test_conda_nightly_env.sh
index fbec59a5..6c46e8f4 100755
--- a/ci/test_conda_nightly_env.sh
+++ b/ci/test_conda_nightly_env.sh
@@ -8,6 +8,9 @@ CUDA_VERSION=${RAPIDS_CUDA_VERSION%.*}
 
 JSON_FILENAME="rapids_cuda${CUDA_VERSION}_py${RAPIDS_PY_VERSION}.json"
 
+rapids-logger "Configuring conda strict channel priority"
+conda config --set channel_priority strict
+
 rapids-logger "Creating conda environment with rapids=${RAPIDS_VERSION}, python=${RAPIDS_PY_VERSION}, cuda-version=${CUDA_VERSION}"
 
 rapids-conda-retry \