diff --git a/setup.py b/setup.py
index 33066c8157..ce07649477 100644
--- a/setup.py
+++ b/setup.py
@@ -36,7 +36,7 @@
 
 
 SPECIAL_DEPENDENCIES_FOR_RELEASE = [
-    "idaes-pse>=1.12.0",  # from PyPI
+    "idaes-pse==1.12.0rc0",  # from PyPI
 ]
 
 SPECIAL_DEPENDENCIES_FOR_PRERELEASE = [