diff --git a/go.mod b/go.mod
index 407670ed9b0..e5de973a480 100644
--- a/go.mod
+++ b/go.mod
@@ -18,7 +18,7 @@ require (
 	github.com/mitchellh/go-homedir v1.1.0
 	github.com/opencontainers/image-spec v1.1.0-rc4
 	github.com/pkg/errors v0.9.1
-	github.com/sigstore/sigstore v1.7.1
+	github.com/sigstore/sigstore v1.7.3
 	github.com/spiffe/go-spiffe/v2 v2.1.5
 	github.com/spiffe/spire-api-sdk v1.7.2
 	github.com/tektoncd/plumbing v0.0.0-20220817140952-3da8ce01aeeb
diff --git a/go.sum b/go.sum
index b423a58ed4c..9771b92cb0f 100644
--- a/go.sum
+++ b/go.sum
@@ -1014,8 +1014,8 @@ github.com/shurcooL/githubv4 v0.0.0-20190718010115-4ba037080260/go.mod h1:hAF0iL
 github.com/shurcooL/graphql v0.0.0-20181231061246-d48a9a75455f h1:tygelZueB1EtXkPI6mQ4o9DQ0+FKW41hTbunoXZCTqk=
 github.com/shurcooL/graphql v0.0.0-20181231061246-d48a9a75455f/go.mod h1:AuYgA5Kyo4c7HfUmvRGs/6rGlMMV/6B1bVnB9JxJEEg=
 github.com/shurcooL/sanitized_anchor_name v1.0.0/go.mod h1:1NzhyTcUVG4SuEtjjoZeVRXNmyL/1OwPU0+IJeTBvfc=
-github.com/sigstore/sigstore v1.7.1 h1:fCATemikcBK0cG4+NcM940MfoIgmioY1vC6E66hXxks=
-github.com/sigstore/sigstore v1.7.1/go.mod h1:0PmMzfJP2Y9+lugD0wer4e7TihR5tM7NcIs3bQNk5xg=
+github.com/sigstore/sigstore v1.7.3 h1:HVVTfrMezJeLyl2xhJ8edzkrEGBa4KxjQZB4FlQ4JLU=
+github.com/sigstore/sigstore v1.7.3/go.mod h1:cl0c7Dtg3MM3c13L8pqqrfrmBa0eM3POcdtBepjylmw=
 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=
diff --git a/vendor/modules.txt b/vendor/modules.txt
index 2fa921d374c..3a54bae3c36 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -797,7 +797,7 @@ github.com/shurcooL/githubv4
 github.com/shurcooL/graphql
 github.com/shurcooL/graphql/ident
 github.com/shurcooL/graphql/internal/jsonutil
-# github.com/sigstore/sigstore v1.7.1
+# github.com/sigstore/sigstore v1.7.3
 ## explicit; go 1.19
 github.com/sigstore/sigstore/pkg/cryptoutils
 github.com/sigstore/sigstore/pkg/signature