diff --git a/setup.py b/setup.py
index 95fd2e053..a02bc1532 100644
--- a/setup.py
+++ b/setup.py
@@ -77,7 +77,7 @@
         'cbor2>=5.6.2',
         'multidict>=6.0.5',
         'ordered-set>=4.1.0',
-        'hio>=0.6.14',
+        'hio==0.6.14',
         'multicommand>=1.0.0',
         'jsonschema>=4.21.1',
         'falcon>=3.1.3',