diff --git a/runtime/bindings/python/iree/runtime/build_requirements.txt b/runtime/bindings/python/iree/runtime/build_requirements.txt
index 4ec45bd8cb55..1636532b2c7b 100644
--- a/runtime/bindings/python/iree/runtime/build_requirements.txt
+++ b/runtime/bindings/python/iree/runtime/build_requirements.txt
@@ -5,7 +5,7 @@
 
 pip>=21.3
 setuptools>=62.4.0
-nanobind>=1.9.2
+nanobind==1.9.2
 numpy>=2.0.0b1
 requests>=2.28.0
 wheel>=0.36.2