diff --git a/spack-environment/dev/spack.yaml b/spack-environment/dev/spack.yaml
index dcff7e367905e2b47449d759a69d9d1193617757..7ec9666618a095df0ca0d0899e28b36b966e3940 100644
--- a/spack-environment/dev/spack.yaml
+++ b/spack-environment/dev/spack.yaml
@@ -39,6 +39,7 @@ spack:
   - irt
   - iwyu
   - jana2
+  - k4actstracking
   - k4fwcore
   - lcov
   - lhapdf
diff --git a/spack-environment/packages.yaml b/spack-environment/packages.yaml
index a8e9dcbf96ea82b6fbdac5fe018a89e7bfaa926e..ccf8b312127edfa384e93f47d18a179d452c2f03 100644
--- a/spack-environment/packages.yaml
+++ b/spack-environment/packages.yaml
@@ -161,6 +161,9 @@ packages:
   juggler:
     require:
     - cxxstd=20
+  k4actstracking:
+    require:
+    - '@main'
   k4fwcore:
     require:
     - '@1.0pre17'