diff --git a/spack.yaml b/spack.yaml
index 3873d04b596b63db9ae5cc2aabbe45daf415da85..eadb7b2abcb6fc2fbdedac74c2c57047187ab157 100644
--- a/spack.yaml
+++ b/spack.yaml
@@ -30,7 +30,7 @@ spack:
     - py-hbp-validation-client@0.8.2
     - py-hippounit@1.3.6
     - py-lfpy@2.3
-    - py-lfpykit@0.5
+    - py-lfpykit@0.5.1
     - py-libsonata@0.1.22
     - py-neo@0.12.0
     - py-nestml@5.2.0