diff --git a/conda/environments/bench_ann_cuda-118_arch-x86_64.yaml b/conda/environments/bench_ann_cuda-118_arch-x86_64.yaml
index 98b07c2c3f..051dad7eaa 100644
--- a/conda/environments/bench_ann_cuda-118_arch-x86_64.yaml
+++ b/conda/environments/bench_ann_cuda-118_arch-x86_64.yaml
@@ -33,6 +33,7 @@ dependencies:
 - ninja
 - nlohmann_json>=3.11.2
 - nvcc_linux-64=11.8
+- openblas
 - rmm=23.12.*
 - scikit-build>=0.13.1
 - sysroot_linux-64==2.17
diff --git a/dependencies.yaml b/dependencies.yaml
index e3ca128340..11d14c7be9 100644
--- a/dependencies.yaml
+++ b/dependencies.yaml
@@ -227,6 +227,7 @@ dependencies:
           - h5py>=3.8.0
           - benchmark>=1.8.2
           - rmm=23.12.*
+          - openblas
   nn_bench_python:
     common:
       - output_types: [conda]