diff --git a/test/providers/tst_manifests/pyproject/pip_pep621/pyproject.toml b/test/providers/tst_manifests/pyproject/pip_pep621/pyproject.toml
index affbdfdb..e6f86d91 100644
--- a/test/providers/tst_manifests/pyproject/pip_pep621/pyproject.toml
+++ b/test/providers/tst_manifests/pyproject/pip_pep621/pyproject.toml
@@ -5,7 +5,7 @@ requires-python = ">=3.9"
 dependencies = [
     "requests[socks]==2.32.3",
     "charset-normalizer==3.4.7",
-    "idna==3.12",
+    "idna==3.15",
     "urllib3[socks]==2.6.3",
     "certifi==2026.2.25",
     "pysocks==1.7.1",