diff --git a/easystacks/software.eessi.io/2025.06/accel/nvidia/eessi-2025.06-eb-5.2.1-2025a.yml b/easystacks/software.eessi.io/2025.06/accel/nvidia/eessi-2025.06-eb-5.2.1-2025a.yml
new file mode 100644
index 0000000000..1a92b96a34
--- /dev/null
+++ b/easystacks/software.eessi.io/2025.06/accel/nvidia/eessi-2025.06-eb-5.2.1-2025a.yml
@@ -0,0 +1,7 @@
+easyconfigs:
+  - UCX-CUDA-1.18.0-GCCcore-14.2.0-CUDA-12.8.0.eb:
+  - NCCL-2.27.7-GCCcore-14.2.0-CUDA-12.8.0.eb:
+      options:
+        cuda-sanity-check-accept-missing-ptx: True
+  - UCC-CUDA-1.3.0-GCCcore-14.2.0-CUDA-12.8.0.eb:
+  - OSU-Micro-Benchmarks-7.5-gompi-2025a-CUDA-12.8.0.eb:
diff --git a/easystacks/software.eessi.io/2025.06/accel/nvidia/eessi-2025.06-eb-5.2.1-2025b.yml b/easystacks/software.eessi.io/2025.06/accel/nvidia/eessi-2025.06-eb-5.2.1-2025b.yml
new file mode 100644
index 0000000000..74d9502363
--- /dev/null
+++ b/easystacks/software.eessi.io/2025.06/accel/nvidia/eessi-2025.06-eb-5.2.1-2025b.yml
@@ -0,0 +1,7 @@
+easyconfigs:
+  - UCX-CUDA-1.19.0-GCCcore-14.3.0-CUDA-12.9.1.eb:
+  - NCCL-2.27.7-GCCcore-14.3.0-CUDA-12.9.1.eb:
+      options:
+        cuda-sanity-check-accept-missing-ptx: True
+  - UCC-CUDA-1.4.4-GCCcore-14.3.0-CUDA-12.9.1.eb:
+  - OSU-Micro-Benchmarks-7.5.1-gompi-2025b-CUDA-12.9.1.eb: