diff --git a/tools/ci/check_build_warnings.py b/tools/ci/check_build_warnings.py
index d8b359111d..c7e71e49b2 100755
--- a/tools/ci/check_build_warnings.py
+++ b/tools/ci/check_build_warnings.py
@@ -29,6 +29,7 @@ IGNORE_WARNS = [
         r"reassigning to symbol",
         r"changes choice state",
         r"crosstool_version_check\.cmake",
+        r"CryptographyDeprecationWarning",
     ]
 ]