diff --git a/go.mod b/go.mod
index 1bfdeba6..0a10bae6 100644
--- a/go.mod
+++ b/go.mod
@@ -13,7 +13,7 @@ require (
 	github.com/secure-systems-lab/go-securesystemslib v0.7.0
 	github.com/sigstore/protobuf-specs v0.2.1
 	github.com/sigstore/rekor v1.3.2
-	github.com/sigstore/sigstore v1.7.4
+	github.com/sigstore/sigstore v1.7.5
 	github.com/sigstore/timestamp-authority v1.2.0
 	github.com/stretchr/testify v1.8.4
 	github.com/theupdateframework/go-tuf v0.6.1
diff --git a/go.sum b/go.sum
index 3f693de5..676ebf74 100644
--- a/go.sum
+++ b/go.sum
@@ -474,8 +474,8 @@ github.com/sigstore/protobuf-specs v0.2.1 h1:KIoM7E3C4uaK092q8YoSj/XSf9720f8dlsb
 github.com/sigstore/protobuf-specs v0.2.1/go.mod h1:xPqQGnH/HllKuZ4VFPz/g+78epWM/NLRGl7Fuy45UdE=
 github.com/sigstore/rekor v1.3.2 h1:o0M/hGYpYhleenrYaMQbJha/w8Zj0Z7vEuND2eZq/Zo=
 github.com/sigstore/rekor v1.3.2/go.mod h1:FYtgwFhBzcmvszqQ24yHVRAPweKoq2BXyGNiB3UT6jM=
-github.com/sigstore/sigstore v1.7.4 h1:Fyqn6OKOVsYnV0Vs6JhG5t+q0u7Gj6R5dJ52kUVteLs=
-github.com/sigstore/sigstore v1.7.4/go.mod h1:5MxR9PrWYGk5I3sXgdnrMUOLbwFPuAUNtWPm3VwOjkc=
+github.com/sigstore/sigstore v1.7.5 h1:ij55dBhLwjICmLTBJZm7SqoQLdsu/oowDanACcJNs48=
+github.com/sigstore/sigstore v1.7.5/go.mod h1:9OCmYWhzuq/G4e1cy9m297tuMRJ1LExyrXY3ZC3Zt/s=
 github.com/sigstore/sigstore/pkg/signature/kms/aws v1.7.3 h1:HbtK8W1bl+BhUPPtpfh4bgkm5oXrtzqd6FTvFg+oor8=
 github.com/sigstore/sigstore/pkg/signature/kms/aws v1.7.3/go.mod h1:JPLKxAUNNsuUQZUy9G3TGhfZCrUaGWa18dxJUQb2E/s=
 github.com/sigstore/sigstore/pkg/signature/kms/azure v1.7.3 h1:dS0f3vtSfgJClJrIFKzfettFfSfygEWDd/yecLcH1uc=
@@ -828,8 +828,9 @@ google.golang.org/appengine v1.5.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7
 google.golang.org/appengine v1.6.1/go.mod h1:i06prIuMbXzDqacNJfV5OdTW448YApPu5ww/cMBSeb0=
 google.golang.org/appengine v1.6.5/go.mod h1:8WjMMxjGQR8xUklV/ARdw2HLXBOI7O7uCIDZVag1xfc=
 google.golang.org/appengine v1.6.6/go.mod h1:8WjMMxjGQR8xUklV/ARdw2HLXBOI7O7uCIDZVag1xfc=
-google.golang.org/appengine v1.6.7 h1:FZR1q0exgwxzPzp/aF+VccGrSfxfPpkBqjIIEq3ru6c=
 google.golang.org/appengine v1.6.7/go.mod h1:8WjMMxjGQR8xUklV/ARdw2HLXBOI7O7uCIDZVag1xfc=
+google.golang.org/appengine v1.6.8 h1:IhEN5q69dyKagZPYMSdIjS2HqprW324FRQZJcGqPAsM=
+google.golang.org/appengine v1.6.8/go.mod h1:1jJ3jBArFh5pcgW8gCtRJnepW8FzD1V44FJffLiz/Ds=
 google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
 google.golang.org/genproto v0.0.0-20190307195333-5fe7a883aa19/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE=
 google.golang.org/genproto v0.0.0-20190418145605-e7d98fc518a7/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE=