diff --git a/pyproject.toml b/pyproject.toml
index 3f1084a..8698a99 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -22,7 +22,7 @@ dependencies = [
   "scikit-image>=0.19.0",
   "scipy>=1.10.1",
   "streamtracer>=2.2.0",
-  "sunpy[map]>=6.0",
+  "sunpy[map]>=6.0.1,!=6.0.0",
 ]
 dynamic = ["version"]
 
@@ -42,7 +42,7 @@ docs = [
   "sphinx-automodapi",
   "reproject",
   "sphinx-gallery",
-  "sunpy[net]>=6.0",
+  "sunpy[net]>=6.0.1,!=6.0.0",
   "sunpy-sphinx-theme",
   "sunkit-magex[all]",
   "sphinx-changelog",
diff --git a/sunkit_magex/pfss/input.py b/sunkit_magex/pfss/input.py
index 38db314..f9bf12e 100644
--- a/sunkit_magex/pfss/input.py
+++ b/sunkit_magex/pfss/input.py
@@ -42,7 +42,6 @@ def __init__(self, br, nr, rss):
         sunkit_magex.pfss.utils.is_full_sun_synoptic_map(br, error=True)
 
         self._map_in = copy.deepcopy(br)
-        self.dtime = self.map.date
         self.br = self.map.data
 
         # Force some nice defaults