diff --git a/spack-environment/dev/spack.yaml b/spack-environment/dev/spack.yaml
index 91b29572c9fd5afe6c9efa250c849b91d2939246..86491f08194ca786b140130bd85d73c98f1b280f 100644
--- a/spack-environment/dev/spack.yaml
+++ b/spack-environment/dev/spack.yaml
@@ -40,12 +40,13 @@ spack:
   - irt
   - iwyu
   - jana2
-  - k4actstracking
   - juggler
+  - k4actstracking
   - k4fwcore
   - lcov
   - lhapdf
   - madx
+  - nano
   - npsim
   - onnx
   - opencascade
diff --git a/spack-environment/packages.yaml b/spack-environment/packages.yaml
index e02e73224bbb5ecb33ff50f77e4bb2bb73671472..a7013f4ba6c55aadc06cdce65d42ef9eb9adad1d 100644
--- a/spack-environment/packages.yaml
+++ b/spack-environment/packages.yaml
@@ -194,6 +194,9 @@ packages:
   nlohmann-json:
     require:
     - '@3.11.2'
+  nano:
+    require:
+    - '@7.2'
   npsim:
     require:
     - '@1.3.0'