diff --git a/go.mod b/go.mod
index a9ee08457c..35d3783946 100644
--- a/go.mod
+++ b/go.mod
@@ -40,7 +40,7 @@ require (
 	github.com/google/btree v1.1.3 // indirect
 	github.com/google/cel-go v0.26.0 // indirect
 	github.com/google/s2a-go v0.1.9 // indirect
-	github.com/googleapis/enterprise-certificate-proxy v0.3.14 // indirect
+	github.com/googleapis/enterprise-certificate-proxy v0.3.15 // indirect
 	github.com/googleapis/gax-go/v2 v2.20.0 // indirect
 	github.com/gorilla/websocket v1.5.4-0.20250319132907-e064f32e3674 // indirect
 	github.com/klauspost/compress v1.18.5 // indirect
diff --git a/go.sum b/go.sum
index fdfda79f06..0d357437ad 100644
--- a/go.sum
+++ b/go.sum
@@ -189,8 +189,8 @@ github.com/google/uuid v1.0.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+
 github.com/google/uuid v1.1.1/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 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/googleapis/enterprise-certificate-proxy v0.3.14 h1:yh8ncqsbUY4shRD5dA6RlzjJaT4hi3kII+zYw8wmLb8=
-github.com/googleapis/enterprise-certificate-proxy v0.3.14/go.mod h1:vqVt9yG9480NtzREnTlmGSBmFrA+bzb0yl0TxoBQXOg=
+github.com/googleapis/enterprise-certificate-proxy v0.3.15 h1:xolVQTEXusUcAA5UgtyRLjelpFFHWlPQ4XfWGc7MBas=
+github.com/googleapis/enterprise-certificate-proxy v0.3.15/go.mod h1:vqVt9yG9480NtzREnTlmGSBmFrA+bzb0yl0TxoBQXOg=
 github.com/googleapis/gax-go/v2 v2.20.0 h1:NIKVuLhDlIV74muWlsMM4CcQZqN6JJ20Qcxd9YMuYcs=
 github.com/googleapis/gax-go/v2 v2.20.0/go.mod h1:But/NJU6TnZsrLai/xBAQLLz+Hc7fHZJt/hsCz3Fih4=
 github.com/gookit/assert v0.1.1 h1:lh3GcawXe/p+cU7ESTZ5Ui3Sm/x8JWpIis4/1aF0mY0=
diff --git a/vendor/modules.txt b/vendor/modules.txt
index 9376b5a739..ca724b821a 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -365,7 +365,7 @@ github.com/google/s2a-go/stream
 # github.com/google/uuid v1.6.0
 ## explicit
 github.com/google/uuid
-# github.com/googleapis/enterprise-certificate-proxy v0.3.14
+# github.com/googleapis/enterprise-certificate-proxy v0.3.15
 ## explicit; go 1.24.11
 github.com/googleapis/enterprise-certificate-proxy/client
 github.com/googleapis/enterprise-certificate-proxy/client/util