diff --git a/pyproject.toml b/pyproject.toml
index 8ef1423212..b5f89bf2fa 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -38,7 +38,7 @@ dependencies = [
     "stdatamodels>=1.10.1,<1.11.0",
     "stpipe>=0.5.2,<0.6.0",
     "stsci.image>=2.3.5",
-    "stsci.imagestats>=1.6.3,<1.7.0",
+    "stsci.imagestats>=1.6.3",
     "synphot>=1.2",
     "tweakwcs>=0.8.6",
     "asdf-astropy>=0.3.0",