diff --git a/requirements.txt b/requirements.txt
index 76a0db0f..0398a005 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -30,7 +30,7 @@ cryptography==44.0.0
 dag-cbor==0.3.3
 Deprecated==1.2.15
 dnspython==2.7.0
-domain2idna==1.12.2
+domain2idna==1.12.3
 ecdsa==0.19.0
 extras==1.0.0
 feedgen==1.0.0