diff --git a/tools/internal_ci/linux/grpc_e2e_performance_gke.sh b/tools/internal_ci/linux/grpc_e2e_performance_gke.sh
index 744d7e10cef0e..fedbea3839f8c 100755
--- a/tools/internal_ci/linux/grpc_e2e_performance_gke.sh
+++ b/tools/internal_ci/linux/grpc_e2e_performance_gke.sh
@@ -73,9 +73,10 @@ WORKER_POOL_32CORE=workers-c2-30core-ci
 # Prefix for log URLs in cnsviewer.
 LOG_URL_PREFIX="http://cnsviewer/placer/prod/home/kokoro-dedicated/build_artifacts/${KOKORO_BUILD_ARTIFACTS_SUBDIR}/github/grpc/"
 
-# This is to ensure we can push and pull images from Artifact Registry. We do
-# not necessarily need it to run load tests, but will need it when we employ
-# pre-built images in the optimization.
+# This is to ensure we can push and pull images from GCR and Artifact Registry.
+# We do not necessarily need it to run load tests, but will need it when we
+# employ pre-built images in the optimization.
+gcloud auth configure-docker
 gcloud auth configure-docker "${PREBUILT_IMAGE_PREFIX%%/*}"
 
 # Connect to benchmarks-prod2 cluster.
diff --git a/tools/internal_ci/linux/grpc_e2e_performance_gke_cxx_experiments_framework.sh b/tools/internal_ci/linux/grpc_e2e_performance_gke_cxx_experiments_framework.sh
index 7656e516205cf..35567f842b645 100755
--- a/tools/internal_ci/linux/grpc_e2e_performance_gke_cxx_experiments_framework.sh
+++ b/tools/internal_ci/linux/grpc_e2e_performance_gke_cxx_experiments_framework.sh
@@ -67,9 +67,10 @@ WORKER_POOL_32CORE=workers-c2-30core-ci
 # Prefix for log URLs in cnsviewer.
 LOG_URL_PREFIX="http://cnsviewer/placer/prod/home/kokoro-dedicated/build_artifacts/${KOKORO_BUILD_ARTIFACTS_SUBDIR}/github/grpc/"
 
-# This is to ensure we can push and pull images from Artifact Registry. We do
-# not necessarily need it to run load tests, but will need it when we employ
-# pre-built images in the optimization.
+# This is to ensure we can push and pull images from GCR and Artifact Registry.
+# We do not necessarily need it to run load tests, but will need it when we
+# employ pre-built images in the optimization.
+gcloud auth configure-docker
 gcloud auth configure-docker "${PREBUILT_IMAGE_PREFIX%%/*}"
 
 # Connect to benchmarks-prod2 cluster.
diff --git a/tools/internal_ci/linux/grpc_e2e_performance_gke_experiment.sh b/tools/internal_ci/linux/grpc_e2e_performance_gke_experiment.sh
index e56ca30b37c65..868a68827f6d5 100755
--- a/tools/internal_ci/linux/grpc_e2e_performance_gke_experiment.sh
+++ b/tools/internal_ci/linux/grpc_e2e_performance_gke_experiment.sh
@@ -68,9 +68,10 @@ WORKER_POOL_32CORE=workers-c2-30core-ci
 # Prefix for log URLs in cnsviewer.
 LOG_URL_PREFIX="http://cnsviewer/placer/prod/home/kokoro-dedicated/build_artifacts/${KOKORO_BUILD_ARTIFACTS_SUBDIR}/github/grpc/"
 
-# This is to ensure we can push and pull images from Artifact Registry. We do
-# not necessarily need it to run load tests, but will need it when we employ
-# pre-built images in the optimization.
+# This is to ensure we can push and pull images from GCR and Artifact Registry.
+# We do not necessarily need it to run load tests, but will need it when we
+# employ pre-built images in the optimization.
+gcloud auth configure-docker
 gcloud auth configure-docker "${PREBUILT_IMAGE_PREFIX%%/*}"
 
 # Connect to benchmarks-prod2 cluster.
diff --git a/tools/internal_ci/linux/grpc_psm_performance_gke_experiment.sh b/tools/internal_ci/linux/grpc_psm_performance_gke_experiment.sh
index f7424b4d7bc0d..3dea89b24f6fc 100644
--- a/tools/internal_ci/linux/grpc_psm_performance_gke_experiment.sh
+++ b/tools/internal_ci/linux/grpc_psm_performance_gke_experiment.sh
@@ -46,9 +46,10 @@ WORKER_POOL_8CORE=workers-c2-8core-ci
 # Prefix for log URLs in cnsviewer.
 LOG_URL_PREFIX="http://cnsviewer/placer/prod/home/kokoro-dedicated/build_artifacts/${KOKORO_BUILD_ARTIFACTS_SUBDIR}/github/grpc/"
 
-# This is to ensure we can push and pull images from Artifact Registry. We do
-# not necessarily need it to run load tests, but will need it when we employ
-# pre-built images in the optimization.
+# This is to ensure we can push and pull images from GCR and Artifact Registry.
+# We do not necessarily need it to run load tests, but will need it when we
+# employ pre-built images in the optimization.
+gcloud auth configure-docker
 gcloud auth configure-docker "${PREBUILT_IMAGE_PREFIX%%/*}"
 
 # Connect to benchmarks-prod2 cluster.