diff --git a/go.mod b/go.mod
index 9d91fe41..6bfe249e 100644
--- a/go.mod
+++ b/go.mod
@@ -5,7 +5,7 @@ go 1.25.7
 require (
 	github.com/a2aproject/a2a-go/v2 v2.5.0
 	github.com/biscuit-auth/biscuit-go/v2 v2.2.0
-	github.com/coreos/go-oidc/v3 v3.20.0
+	github.com/coreos/go-oidc/v3 v3.21.0
 	github.com/golang-jwt/jwt/v5 v5.3.1
 	github.com/hashicorp/golang-lru/v2 v2.0.7
 	github.com/ipfs/go-cid v0.6.2
diff --git a/go.sum b/go.sum
index 5e185644..b995d732 100644
--- a/go.sum
+++ b/go.sum
@@ -20,8 +20,8 @@ github.com/canonical/go-sp800.90a-drbg v0.0.0-20210314144037-6eeb1040d6c3 h1:oe6
 github.com/canonical/go-sp800.90a-drbg v0.0.0-20210314144037-6eeb1040d6c3/go.mod h1:qdP0gaj0QtgX2RUZhnlVrceJ+Qln8aSlDyJwelLLFeM=
 github.com/cespare/xxhash/v2 v2.3.0 h1:UL815xU9SqsFlibzuggzjXhog7bL6oX9BbNZnL2UFvs=
 github.com/cespare/xxhash/v2 v2.3.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
-github.com/coreos/go-oidc/v3 v3.20.0 h1:EtE0WIBHk03N+DqGkY4+UONzzZHk7amKt6IyNd7OsZE=
-github.com/coreos/go-oidc/v3 v3.20.0/go.mod h1:DYCf24+ncYi+XkIH97GY1+dqoRlbaSI26KVTCI9SrY4=
+github.com/coreos/go-oidc/v3 v3.21.0 h1:wZo4Q9Pum8dYEj0eMUPrqR+kvuGkeUplbLpNCkBqoWM=
+github.com/coreos/go-oidc/v3 v3.21.0/go.mod h1:DYCf24+ncYi+XkIH97GY1+dqoRlbaSI26KVTCI9SrY4=
 github.com/cpuguy83/go-md2man/v2 v2.0.6/go.mod h1:oOW0eioCTA6cOiMLiUPZOpcVxMig6NIQQ7OS05n1F4g=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=