diff --git a/pyproject.toml b/pyproject.toml
index 90eeb092..0cd6cc08 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -68,7 +68,7 @@ parallel = [
 ]
 test = [
     "bsb-arbor~=4.0",
-    "bsb-hdf5~=4.0",
+    "bsb-hdf5~=5.0",
     "bsb-test~=4.2",
     "bsb-json~=4.2",
     "coverage~=7.3",