diff --git a/tools/pr_checker/requirements.txt b/tools/pr_checker/requirements.txt
index 1ad7a397b..b655d3fa3 100644
--- a/tools/pr_checker/requirements.txt
+++ b/tools/pr_checker/requirements.txt
@@ -1,2 +1,2 @@
 click==8.1.7
-dnspython==2.5.0
+dnspython==2.6.1