diff --git a/plugins/wasm-go/extensions/oidc/go.mod b/plugins/wasm-go/extensions/oidc/go.mod
index e47c6299f..663965d09 100644
--- a/plugins/wasm-go/extensions/oidc/go.mod
+++ b/plugins/wasm-go/extensions/oidc/go.mod
@@ -5,7 +5,7 @@ go 1.24.1
 toolchain go1.24.4
 
 require (
-	github.com/higress-group/oauth2-proxy v1.0.1-0.20260604015908-ddc2e341fc40
+	github.com/higress-group/oauth2-proxy v1.0.1-0.20260605094027-396b01ca2ca4
 	github.com/higress-group/proxy-wasm-go-sdk v0.0.0-20250611100342-5654e89a7a80
 	github.com/higress-group/wasm-go v1.0.2-0.20250911113549-cbf1cfcce774
 	github.com/tidwall/gjson v1.18.0
diff --git a/plugins/wasm-go/extensions/oidc/go.sum b/plugins/wasm-go/extensions/oidc/go.sum
index 64ea4b1b6..78b25580c 100644
--- a/plugins/wasm-go/extensions/oidc/go.sum
+++ b/plugins/wasm-go/extensions/oidc/go.sum
@@ -14,8 +14,8 @@ github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
 github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/gorilla/mux v1.8.1 h1:TuBL49tXwgrFYWhqrNgrUNEY92u81SPhu7sTdzQEiWY=
 github.com/gorilla/mux v1.8.1/go.mod h1:AKf9I4AEqPTmMytcMc0KkNouC66V3BtZ4qD5fmWSiMQ=
-github.com/higress-group/oauth2-proxy v1.0.1-0.20260604015908-ddc2e341fc40 h1:898/7rZo1g5ziKhUkqTUm9iALOrjUFe5p66bT3SKDOg=
-github.com/higress-group/oauth2-proxy v1.0.1-0.20260604015908-ddc2e341fc40/go.mod h1:sDlsoo4dx+Cx56vI5kegeXZAoQ4nnd7xWL7Oc4/4hLI=
+github.com/higress-group/oauth2-proxy v1.0.1-0.20260605094027-396b01ca2ca4 h1:P7p5oh95mvgi38QhIN+nHJJCJPGjWqv3UHAmKzo25ko=
+github.com/higress-group/oauth2-proxy v1.0.1-0.20260605094027-396b01ca2ca4/go.mod h1:sDlsoo4dx+Cx56vI5kegeXZAoQ4nnd7xWL7Oc4/4hLI=
 github.com/higress-group/proxy-wasm-go-sdk v0.0.0-20250611100342-5654e89a7a80 h1:xqmtTZI0JQ2O+Lg9/CE6c+Tw9KD6FnvWw8EpLVuuvfg=
 github.com/higress-group/proxy-wasm-go-sdk v0.0.0-20250611100342-5654e89a7a80/go.mod h1:tRI2LfMudSkKHhyv1uex3BWzcice2s/l8Ah8axporfA=
 github.com/higress-group/wasm-go v1.0.2-0.20250911113549-cbf1cfcce774 h1:3nzDlUZ8+Nc0c2f8y0wUiw6mnyu1+ZYT0mK7x9Oitro=
diff --git a/plugins/wasm-go/extensions/oidc/main.go b/plugins/wasm-go/extensions/oidc/main.go
index a2fbd48be..1e7cf656c 100644
--- a/plugins/wasm-go/extensions/oidc/main.go
+++ b/plugins/wasm-go/extensions/oidc/main.go
@@ -84,7 +84,11 @@ func onHttpRequestHeaders(ctx wrapper.HttpContext, config PluginConfig, log log.
 func onHttpResponseHeaders(ctx wrapper.HttpContext, config PluginConfig, log log.Log) types.Action {
 	value := ctx.GetContext(oidc.SetCookieHeader)
 	if value != nil {
-		proxywasm.AddHttpResponseHeader(oidc.SetCookieHeader, value.(string))
+		if cookies, ok := value.([]string); ok {
+			for _, c := range cookies {
+				proxywasm.AddHttpResponseHeader(oidc.SetCookieHeader, c)
+			}
+		}
 	}
 	config.oidcHandler.SetContext(nil)
 	return types.ActionContinue