diff --git a/stacks/pinot-noir/definitions_stack.yaml b/stacks/pinot-noir/definitions_stack.yaml
index 86c88c0f21531a93a3e511f8af09b92e6548bb9b..4d6efc73e1e55202e72f23e081129df1a04b4150 100644
--- a/stacks/pinot-noir/definitions_stack.yaml
+++ b/stacks/pinot-noir/definitions_stack.yaml
@@ -282,6 +282,7 @@ definitions:
     external_packages:
       - ansys
       - ansys@2024R2
+      - ansys@2025R1
       - cfdplusplus
       - comsol
       - fdtd
diff --git a/stacks/pinot-noir/packages_stack.yaml b/stacks/pinot-noir/packages_stack.yaml
index e59f8dcfa4a81786155d750e277053bc8c7a8524..7fda048e5638869f279249aabffd9d8406f8c6a0 100644
--- a/stacks/pinot-noir/packages_stack.yaml
+++ b/stacks/pinot-noir/packages_stack.yaml
@@ -458,6 +458,7 @@ packages:
     - {spec: ansys@2022R2, prefix: /ssoft/spack/external/ansys/2022R2/v222}
     - {spec: ansys@2024R1, prefix: /ssoft/spack/external/ansys/2024R1/v241}
     - {spec: ansys@2024R2, prefix: /ssoft/spack/external/ansys/2024R2/v242}
+    - {spec: ansys@2025R1, prefix: /ssoft/spack/external/ansys/2025R1/v251}
   cfdplusplus:
     buildable: false
     externals: