diff --git a/spack-environment/cuda/spack.yaml b/spack-environment/cuda/spack.yaml
index b0e830f4270a77bee2781e982922ad14aa00a630..f76c419700e4f55e18570a5d216a437cbef674e8 100644
--- a/spack-environment/cuda/spack.yaml
+++ b/spack-environment/cuda/spack.yaml
@@ -33,6 +33,7 @@ spack:
   - epic@24.10.0
   - epic@24.10.1
   - epic@24.11.0
+  - epic@24.11.1
   - fastjet
   - fjcontrib
   - fmt
diff --git a/spack-environment/xl/spack.yaml b/spack-environment/xl/spack.yaml
index f4a9ff615abb80cfab4ee634d17f4d2c5870ea36..f826b22526672cfa5f52d16c56572abe212b612b 100644
--- a/spack-environment/xl/spack.yaml
+++ b/spack-environment/xl/spack.yaml
@@ -32,6 +32,7 @@ spack:
   - epic@24.10.0
   - epic@24.10.1
   - epic@24.11.0
+  - epic@24.11.1
   - fastjet
   - fjcontrib
   - fmt