diff --git a/poissonsearch-py.spec b/poissonsearch-py.spec
index a51e3ce..76cafe3 100644
--- a/poissonsearch-py.spec
+++ b/poissonsearch-py.spec
@@ -10,7 +10,7 @@ Source0:    https://gitee.com/openeuler/poissonsearch-py/archive/refs/tags/%{pac
 BuildArch:	noarch
 
 
-Requires:	python3-urllib3
+BuildRequires:	python3-urllib3
 Requires:	python3-certifi
 BuildRequires:   python3-mock
 BuildRequires:   python3-numpy