diff --git a/stacks/pinot-noir/definitions_stack.yaml b/stacks/pinot-noir/definitions_stack.yaml
index 0109ba0b9efc176fe2501f5d44fed49ef5d809b4..40bf92c28c153928b30ccf552da5b11131252653 100644
--- a/stacks/pinot-noir/definitions_stack.yaml
+++ b/stacks/pinot-noir/definitions_stack.yaml
@@ -282,6 +282,7 @@ definitions:
       - cfdplusplus
       - comsol
       - fdtd
+      - fdtd@2024-R2.3-3941
       - gaussian
       - matlab
       - maple
diff --git a/stacks/pinot-noir/modules_common.yaml b/stacks/pinot-noir/modules_common.yaml
index f6b6a1eef44e8053024073460d6566aa1605dd20..fc274c7ae2088b0476c837ed81714b5d9f2d7a16 100644
--- a/stacks/pinot-noir/modules_common.yaml
+++ b/stacks/pinot-noir/modules_common.yaml
@@ -117,12 +117,16 @@ modules:
           prepend_path:
             MATLABPATH: "{prefix}/mli"
 
-      fdtd:
+      fdtd@2022-R2.1-2963:
         environment:
           prepend_path:
             PATH: "{prefix}/mpich2/nemesis/bin"
             LD_LIBRARY_PATH: "{prefix}/mpich2/nemesis/lib"
+
+      fdtd:
+        environment:
           set:
+            ANSYSLMD_LICENSE_FILE: '1055@scitas-lic-srv.epfl.ch'
             SLURM_MPI_TYPE: pmi2
 
       gaussian:
diff --git a/stacks/pinot-noir/packages_stack.yaml b/stacks/pinot-noir/packages_stack.yaml
index dcb76817e7b17cc31b483c7028e9e4ba6845dbc9..30d9dd60abb87828ad5f6ad8e1eade7728b3274c 100644
--- a/stacks/pinot-noir/packages_stack.yaml
+++ b/stacks/pinot-noir/packages_stack.yaml
@@ -468,12 +468,13 @@ packages:
     - {spec: comsol@6.2, prefix: /ssoft/spack/external/comsol/6.2}
   fdtd:
     buildable: false
-    permissions: {read: group, group: fdtd-soft}
+    permissions: {read: group, group: ansys-soft}
     externals:
     - {spec: fdtd@2020-R2-2387, prefix: /ssoft/spack/external/fdtd/8.24.2387}
     - {spec: fdtd@2020-R2.4-2502, prefix: /ssoft/spack/external/fdtd/2020-R2.4-2502}
     - {spec: fdtd@2021-R2.2-2806, prefix: /ssoft/spack/external/fdtd/2021-R2.2-2806}
     - {spec: fdtd@2022-R1.1-2963, prefix: /ssoft/spack/external/fdtd/2022-R1.1-2963}
+    - {spec: fdtd@2024-R2.3-3941, prefix: /ssoft/spack/external/fdtd/2024-R2.3-3941}
   gaussian:
     buildable: false
     externals: