diff --git a/go.mod b/go.mod
index 4c2e8f8..c0c1533 100644
--- a/go.mod
+++ b/go.mod
@@ -3,7 +3,7 @@ module github.com/plexusone/agentkit
 go 1.26.0
 
 require (
-	github.com/a2aproject/a2a-go v0.3.13
+	github.com/a2aproject/a2a-go v0.3.15
 	github.com/cloudwego/eino v0.8.8
 	github.com/go-playground/validator/v10 v10.30.2
 	github.com/grokify/mogo v0.74.1
diff --git a/go.sum b/go.sum
index 25ee25f..ea4d6bb 100644
--- a/go.sum
+++ b/go.sum
@@ -4,8 +4,8 @@ cloud.google.com/go/auth v0.19.0 h1:DGYwtbcsGsT1ywuxsIoWi1u/vlks0moIblQHgSDgQkQ=
 cloud.google.com/go/auth v0.19.0/go.mod h1:2Aph7BT2KnaSFOM0JDPyiYgNh6PL9vGMiP8CUIXZ+IY=
 cloud.google.com/go/compute/metadata v0.9.0 h1:pDUj4QMoPejqq20dK0Pg2N4yG9zIkYGdBtwLoEkH9Zs=
 cloud.google.com/go/compute/metadata v0.9.0/go.mod h1:E0bWwX5wTnLPedCKqk3pJmVgCBSM6qQI1yTBdEb3C10=
-github.com/a2aproject/a2a-go v0.3.13 h1:WpIcSHgCySIxD7OQEdV7U7WJc/HL/G2QQj0RJ0YhPi0=
-github.com/a2aproject/a2a-go v0.3.13/go.mod h1:I7Cm+a1oL+UT6zMoP+roaRE5vdfUa1iQGVN8aSOuZ0I=
+github.com/a2aproject/a2a-go v0.3.15 h1:h5YpCiPq3jxQ5rIns7oDjPag3ivP8u817AzdA4F+NiI=
+github.com/a2aproject/a2a-go v0.3.15/go.mod h1:I7Cm+a1oL+UT6zMoP+roaRE5vdfUa1iQGVN8aSOuZ0I=
 github.com/airbrake/gobrake v3.6.1+incompatible/go.mod h1:wM4gu3Cn0W0K7GUuVWnlXZU11AGBXMILnrdOU8Kn00o=
 github.com/bahlo/generic-list-go v0.2.0 h1:5sz/EEAK+ls5wF+NeqDpk5+iNdMDXrh3z3nPnH1Wvgk=
 github.com/bahlo/generic-list-go v0.2.0/go.mod h1:2KvAjgMlE5NNynlg/5iLrrCCZ2+5xWbdbCW3pNTGyYg=