diff --git a/infra/k8s/argo/gpu-test-pipeline-template.yaml b/infra/k8s/argo/gpu-test-pipeline-template.yaml
index 3af0be826..64498f028 100644
--- a/infra/k8s/argo/gpu-test-pipeline-template.yaml
+++ b/infra/k8s/argo/gpu-test-pipeline-template.yaml
@@ -263,7 +263,7 @@ spec:
                   fi
                   if [ "$SCOPE" = "integration" ] || [ "$SCOPE" = "all" ]; then
                     run_tests "dqn-smoke" cargo test -p ml --features cuda --test smoke_test_real_data
-                    run_tests "dqn-pipeline" cargo test -p ml --features cuda --test dqn_training_pipeline_test
+                    run_tests "dqn-pipeline" cargo test -p ml --features cuda --test dqn_training_pipeline_test -- --test-threads=1
                     run_tests "dqn-smoke-train" cargo test -p ml --features cuda --test dqn_training_smoke_test
                     run_tests "dqn-early-stop" cargo test -p ml --features cuda --test dqn_early_stopping_termination_test
                     run_tests "dqn-collapse" cargo test -p ml --features cuda --test dqn_action_collapse_fix_test