diff --git a/go.mod b/go.mod
index 469f8a55..69d38a68 100644
--- a/go.mod
+++ b/go.mod
@@ -3,7 +3,7 @@ module github.com/sigstore/timestamp-authority
 go 1.22
 
 require (
-	cloud.google.com/go/security v1.16.1
+	cloud.google.com/go/security v1.17.0
 	github.com/beevik/ntp v1.4.1
 	github.com/digitorus/pkcs7 v0.0.0-20230818184609-3a137a874352
 	github.com/digitorus/timestamp v0.0.0-20231217203849-220c5c2851b7
diff --git a/go.sum b/go.sum
index 7a386311..f1191567 100644
--- a/go.sum
+++ b/go.sum
@@ -13,8 +13,8 @@ cloud.google.com/go/kms v1.17.0 h1:5sFDtixjw5CivNoiiCbtWTQmi7bav3oMO6NeNg2IunQ=
 cloud.google.com/go/kms v1.17.0/go.mod h1:DCMnCF/apA6fZk5Cj4XsD979OyHAqFasPuA5Sd0kGlQ=
 cloud.google.com/go/longrunning v0.5.7 h1:WLbHekDbjK1fVFD3ibpFFVoyizlLRl73I7YKuAKilhU=
 cloud.google.com/go/longrunning v0.5.7/go.mod h1:8GClkudohy1Fxm3owmBGid8W0pSgodEMwEAztp38Xng=
-cloud.google.com/go/security v1.16.1 h1:9Jn8BJpkq8MflNzTdrX4m+SVp2+WeqVhbFiwyNIoXuM=
-cloud.google.com/go/security v1.16.1/go.mod h1:UoF8QXvvJlV9ORs4YW/izW5GmDQtFUoq2P6TJgPlif8=
+cloud.google.com/go/security v1.17.0 h1:u4RCnEQPvlrrnFRFinU0T3WsjtrsQErkWBfqTM5oUQI=
+cloud.google.com/go/security v1.17.0/go.mod h1:eSuFs0SlBv1gWg7gHIoF0hYOvcSwJCek/GFXtgO6aA0=
 filippo.io/edwards25519 v1.1.0 h1:FNf4tywRC1HmFuKW5xopWpigGjJKiJSV0Cqo0cJWDaA=
 filippo.io/edwards25519 v1.1.0/go.mod h1:BxyFTGdWcka3PhytdK4V28tE5sGfRvvvRV7EaN4VDT4=
 github.com/Azure/azure-sdk-for-go/sdk/azcore v1.11.1 h1:E+OJmp2tPvt1W+amx48v1eqbjDYsgN+RzP4q16yV5eM=