diff --git a/pyproject.toml b/pyproject.toml
index 8b5799a..23d4949 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -8,7 +8,7 @@ description = "pydra-mrtrix3 contains Pydra task specifications for MRtrix3 tool
 readme = "README.rst"
 requires-python = ">=3.8"
 dependencies = [
-    "fileformats-medimage_mrtrix3 >=3.0.4a7",
+    "fileformats-medimage_mrtrix3 >=3.0.4a5",
     "numpy",
     "pydra >=0.23",
 ]
diff --git a/related-packages/fileformats-extras/pyproject.toml b/related-packages/fileformats-extras/pyproject.toml
index 7155dad..0ee7929 100644
--- a/related-packages/fileformats-extras/pyproject.toml
+++ b/related-packages/fileformats-extras/pyproject.toml
@@ -9,7 +9,7 @@ readme = "README.rst"
 requires-python = ">=3.8"
 dependencies = [
     "fileformats >= 0.8",
-    "fileformats-medimage-mrtrix3 >=3.0.4a4",
+    "fileformats-medimage-mrtrix3 >=3.0.4a5",
     "medimages4tests",
     "pydra >= 0.23.0",
 ]