diff --git a/harbinger/requirements.txt b/harbinger/requirements.txt
index 55bbdd2..c3af5ca 100644
--- a/harbinger/requirements.txt
+++ b/harbinger/requirements.txt
@@ -1195,9 +1195,9 @@ humanize==4.12.3 \
     --hash=sha256:2cbf6370af06568fa6d2da77c86edb7886f3160ecd19ee1ffef07979efc597f6 \
     --hash=sha256:8430be3a615106fdfceb0b2c1b41c4c98c6b0fc5cc59663a5539b111dd325fb0
     # via harbinger (pyproject.toml)
-idna==3.10 \
-    --hash=sha256:12f65c9b470abda6dc35cf8e63cc574b1c52b11df2c86030af0ac09b01b13ea9 \
-    --hash=sha256:946d195a0d259cbba61165e88e65941f16e9b36ea6ddb97f00452bae8b1287d3
+idna==3.15 \
+    --hash=sha256:048adeaf8c2d788c40fee287673ccaa74c24ffd8dcf09ffa555a2fbb59f10ac8 \
+    --hash=sha256:ca962446ea538f7092a95e057da437618e886f4d349216d2b1e294abfdb65fdc
     # via
     #   anyio
     #   email-validator