diff --git a/setup.py b/setup.py
index fd82f66646..1f9b132d00 100644
--- a/setup.py
+++ b/setup.py
@@ -126,7 +126,7 @@ def __getitem__(self, key):
     # Put abstract (non-versioned) deps here.
     # Concrete dependencies go in requirements[-dev].txt
     install_requires=[
-        "pyomo>=6.6.1",
+        "pyomo @ https://github.com/IDAES/pyomo/archive/6.6.2.idaes.2023.07.27.zip",
         "pint",  # required to use Pyomo units
         "networkx",  # required to use Pyomo network
         "numpy",