diff --git a/go.mod b/go.mod
index 6cd5b278f3c..de483321438 100644
--- a/go.mod
+++ b/go.mod
@@ -5,7 +5,7 @@ go 1.19
 require (
 	cloud.google.com/go/compute/metadata v0.2.3
 	github.com/google/go-cmp v0.5.9
-	github.com/google/s2a-go v0.1.0
+	github.com/google/s2a-go v0.1.1
 	github.com/google/uuid v1.3.0
 	github.com/googleapis/enterprise-certificate-proxy v0.2.3
 	github.com/googleapis/gax-go/v2 v2.8.0
diff --git a/go.sum b/go.sum
index d2d836c54b1..0d440c97912 100644
--- a/go.sum
+++ b/go.sum
@@ -55,8 +55,8 @@ github.com/google/go-cmp v0.5.3/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/
 github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/go-cmp v0.5.9 h1:O2Tfq5qg4qc4AmwVlvv0oLiVAGB7enBSJ2x2DqQFi38=
 github.com/google/go-cmp v0.5.9/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
-github.com/google/s2a-go v0.1.0 h1:3Qm0liEiCErViKERO2Su5wp+9PfMRiuS6XB5FvpKnYQ=
-github.com/google/s2a-go v0.1.0/go.mod h1:OJpEgntRZo8ugHpF9hkoLJbS5dSI20XZeXJ9JVywLlM=
+github.com/google/s2a-go v0.1.1 h1:XJQvZvUdPzOGdf4ZMQc78wYt9XrdIZOl//n03i8P68Q=
+github.com/google/s2a-go v0.1.1/go.mod h1:OJpEgntRZo8ugHpF9hkoLJbS5dSI20XZeXJ9JVywLlM=
 github.com/google/uuid v1.1.2/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/google/uuid v1.3.0 h1:t6JiXgmwXMjEs8VusXIJk2BXHsn+wx8BZdTaoZ5fu7I=
 github.com/google/uuid v1.3.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=