diff --git a/pyproject.toml b/pyproject.toml
index 5c9b984..ad2fb37 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -7,7 +7,11 @@ name = "pydra-mrtrix3"
 description = "pydra-mrtrix3 contains Pydra task specifications for MRtrix3 tools"
 readme = "README.rst"
 requires-python = ">=3.8"
-dependencies = ["fileformats-medimage_mrtrix3", "numpy", "pydra >=0.23"]
+dependencies = [
+    "fileformats-medimage_mrtrix3 >=3.0.4a4",
+    "numpy",
+    "pydra >=0.23",
+]
 license = { file = "LICENSE" }
 authors = [{ name = "Thomas G. Close", email = "tom.g.close@gmail.com" }]
 maintainers = [{ name = "Thomas G. Close", email = "tom.g.close@gmail.com" }]
diff --git a/related-packages/fileformats-extras/pyproject.toml b/related-packages/fileformats-extras/pyproject.toml
index bf24c5e..7155dad 100644
--- a/related-packages/fileformats-extras/pyproject.toml
+++ b/related-packages/fileformats-extras/pyproject.toml
@@ -9,9 +9,9 @@ readme = "README.rst"
 requires-python = ">=3.8"
 dependencies = [
     "fileformats >= 0.8",
-    "fileformats-medimage-mrtrix3",
+    "fileformats-medimage-mrtrix3 >=3.0.4a4",
     "medimages4tests",
-    "pydra >= 0.22.0",
+    "pydra >= 0.23.0",
 ]
 license = { file = "LICENSE" }
 authors = [{ name = "Thomas G. Close", email = "tom.g.close@gmail.com" }]