1 files changed, 1 insertions, 1 deletions
diff --git a/setup.cfg b/setup.cfg
index 74e63b1..e3fb0bc 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -15,7 +15,7 @@ classifier =
     Topic :: Software Development :: Libraries :: Python Modules
 requires-python = >=2.5
 requires-dist = 
-    stsci.tools (==2.9)
+    stsci.tools (==3.0)
     pywcs (==1.10-4.7)
 
 [files]