diff --git a/go.mod b/go.mod
index 275648bd..7bc45f9f 100644
--- a/go.mod
+++ b/go.mod
@@ -5,7 +5,7 @@ go 1.25.0
 retract [v0.77.3, v0.77.7] // unintentional releases tagged from non-master branch
 
 require (
-	cloud.google.com/go/kms v1.28.0
+	cloud.google.com/go/kms v1.30.0
 	filippo.io/edwards25519 v1.2.0
 	github.com/Azure/azure-sdk-for-go/sdk/azcore v1.21.1
 	github.com/Azure/azure-sdk-for-go/sdk/azidentity v1.13.1
diff --git a/go.sum b/go.sum
index 7fb4ae33..97fa5dd7 100644
--- a/go.sum
+++ b/go.sum
@@ -49,8 +49,8 @@ cloud.google.com/go/datastore v1.1.0/go.mod h1:umbIZjpQpHh4hmRpGhH4tLFup+FVzqBi1
 cloud.google.com/go/firestore v1.1.0/go.mod h1:ulACoGHTpvq5r8rxGJ4ddJZBZqakUQqClKRT5SZwBmk=
 cloud.google.com/go/iam v1.7.0 h1:JD3zh0C6LHl16aCn5Akff0+GELdp1+4hmh6ndoFLl8U=
 cloud.google.com/go/iam v1.7.0/go.mod h1:tetWZW1PD/m6vcuY2Zj/aU0eCHNPuxedbnbRTyKXvdY=
-cloud.google.com/go/kms v1.28.0 h1:TeBvmmVF3EtrXXC8hiBo0uV8ntX8QBbZeEQFnVpE70k=
-cloud.google.com/go/kms v1.28.0/go.mod h1:YIyXZym11R5uovJJt4oN5eUL3oPmirF3yKeIh6QAf4U=
+cloud.google.com/go/kms v1.30.0 h1:TSEZopy/OXojbVCQS9Rrx0jFqdKWvO31+N8ncXbxG/s=
+cloud.google.com/go/kms v1.30.0/go.mod h1:YIyXZym11R5uovJJt4oN5eUL3oPmirF3yKeIh6QAf4U=
 cloud.google.com/go/longrunning v0.9.0 h1:0EzbDEGsAvOZNbqXopgniY0w0a1phvu5IdUFq8grmqY=
 cloud.google.com/go/longrunning v0.9.0/go.mod h1:pkTz846W7bF4o2SzdWJ40Hu0Re+UoNT6Q5t+igIcb8E=
 cloud.google.com/go/monitoring v0.1.0/go.mod h1:Hpm3XfzJv+UTiXzCG5Ffp0wijzHTC7Cv4eR7o3x/fEE=