diff --git a/requirements-dev.txt b/requirements-dev.txt
index 34a857c96..4f8b48f5b 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,14 +1,14 @@
-git+https://github.com/astropy/asdf-astropy
 git+https://github.com/asdf-format/asdf-coordinates-schemas
 git+https://github.com/asdf-format/asdf-standard
 git+https://github.com/asdf-format/asdf-transform-schemas
 git+https://github.com/asdf-format/asdf-unit-schemas.git
 git+https://github.com/asdf-format/asdf-wcs-schemas
-git+https://github.com/astropy/astropy
-git+https://github.com/spacetelescope/gwcs
 #git+https://github.com/yaml/pyyaml.git
 # jsonschema 4.18 contains incompatible changes: https://github.com/asdf-format/asdf/issues/1485
 #git+https://github.com/python-jsonschema/jsonschema
 
 numpy>=0.0.dev0
+# although we don't use scipy, we include it here so that any dependency
+# that uses it during these tests will use the development version
+# which is more likely to work with the above development version of numpy
 scipy>=0.0.dev0