diff --git a/README.rst b/README.rst
index 75f34c79..43571a3a 100644
--- a/README.rst
+++ b/README.rst
@@ -26,7 +26,7 @@ flagship infrared space telescope. WebbPSF can simulate images for any of the
 four science instruments plus the fine guidance sensor, including both direct
 imaging and coronagraphic modes.
 
-WebbPSF also supports simulating PSFs for the upcoming WFIRST,
+WebbPSF also supports simulating PSFs for the upcoming Nancy Grace Roman Space Telescope (formerly WFIRST),
 including its Wide Field Instrument and a preliminary version of the Coronagraph Instrument.
 
 Developed by Marshall Perrin, Joseph Long, Neil Zimmerman, Robel Geda, Shannon
diff --git a/tox.ini b/tox.ini
index d7c1f884..387491c6 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,7 +1,7 @@
 [tox]
 envlist =
     py{36,37,38}-test
-    py{36,37,38}-{poppydev,pysiafdev,astropydev,stable}-test
+    py{36,37,38}-{poppydev,pysiafdev,astropydev,latest,stable}-test
     py36-legacy36-test
     py{36,37,38}-{poppydev,pysiafdev}-cov
 
@@ -9,11 +9,12 @@ envlist =
 passenv = *
 deps =
     pytest
-    jwxml
-    poppydev,legacy36,astropydev: git+https://github.com/spacetelescope/poppy.git#egg=poppy
+    poppydev,legacy36,astropydev,latest: git+https://github.com/spacetelescope/poppy.git#egg=poppy
     pysiafdev,legacy36,astropydev: git+https://github.com/spacetelescope/pysiaf.git#egg=pysiaf
-    legacy36: numpy==1.16.*
+    legacy36: numpy==1.17.*
     astropydev: git+git://github.com/astropy/astropy
+    poppydev: synphot
+    latest: -rrequirements.txt
     stable: poppy
     stable: pysiaf
     cov: pytest-astropy
@@ -55,4 +56,4 @@ description = check package code style
 deps =
     pycodestyle
 commands =
-    pycodestyle webbpsf
+    pycodestyle webbpsf
\ No newline at end of file