diff --git a/go.mod b/go.mod
index ec6fb267..2f587f57 100644
--- a/go.mod
+++ b/go.mod
@@ -15,7 +15,7 @@ require (
 	github.com/pborman/getopt v0.0.0-20180811024354-2b5b3bfb099b
 	github.com/sigstore/cosign v1.8.1-0.20220601172726-ae90c7495df6
 	github.com/sigstore/fulcio v0.1.2-0.20220114150912-86a2036f9bc7
-	github.com/sigstore/rekor v0.8.2
+	github.com/sigstore/rekor v0.9.0
 	github.com/sigstore/sigstore v1.3.1-0.20220624122732-132318ae8047
 	golang.org/x/crypto v0.0.0-20220411220226-7b82a4e95df4
 	golang.org/x/oauth2 v0.0.0-20220608161450-d0670ef3b1eb
diff --git a/go.sum b/go.sum
index d2e8a996..d2b60d05 100644
--- a/go.sum
+++ b/go.sum
@@ -762,6 +762,7 @@ github.com/fullstorydev/grpcurl v1.8.1/go.mod h1:3BWhvHZwNO7iLXaQlojdg5NA6SxUDeP
 github.com/fullstorydev/grpcurl v1.8.2/go.mod h1:YvWNT3xRp2KIRuvCphFodG0fKkMXwaxA9CJgKCcyzUQ=
 github.com/fullstorydev/grpcurl v1.8.6 h1:WylAwnPauJIofYSHqqMTC1eEfUIzqzevXyogBxnQquo=
 github.com/fullstorydev/grpcurl v1.8.6/go.mod h1:WhP7fRQdhxz2TkL97u+TCb505sxfH78W1usyoB3tepw=
+github.com/fxamacker/cbor/v2 v2.4.0/go.mod h1:TA1xS00nchWmaBnEIxPSE5oHLuJBAVvqrtAnWBwBCVo=
 github.com/fzipp/gocyclo v0.3.1/go.mod h1:DJHO6AUmbdqj2ET4Z9iArSuwWgYDRryYt2wASxc7x3E=
 github.com/garyburd/redigo v0.0.0-20150301180006-535138d7bcd7/go.mod h1:NR3MbYisc3/PwhQ00EMzDiPmrwpPxAn5GI05/YaO1SY=
 github.com/getkin/kin-openapi v0.76.0/go.mod h1:660oXbgy5JFMKreazJaQTw7o+X00qeSyhcnluiMv+Xg=
@@ -2031,8 +2032,8 @@ github.com/sigstore/cosign v1.8.1-0.20220601172726-ae90c7495df6/go.mod h1:6BrdWn
 github.com/sigstore/fulcio v0.1.2-0.20220114150912-86a2036f9bc7 h1:XE7A9lJ+wYhmUFBWYTaw3Ph943zHB4iBYd5R0SX0ZOA=
 github.com/sigstore/fulcio v0.1.2-0.20220114150912-86a2036f9bc7/go.mod h1:ANQivY/lfOp9hN92S813LEthkm/kit96hzeIF3SNoZA=
 github.com/sigstore/rekor v0.4.1-0.20220114213500-23f583409af3/go.mod h1:u9clLqaVjqV9pExVL1XkM37dGyMCOX/LMocS9nsnWDY=
-github.com/sigstore/rekor v0.8.2 h1:EjKptG+F5LXQM6H/bHHVhm6pT+zuAuwKhHqR3sDO3gE=
-github.com/sigstore/rekor v0.8.2/go.mod h1:N5EhbXF8pZRGNbtLiyAkCvaW6O3PRNa6NKLwzN/3Scw=
+github.com/sigstore/rekor v0.9.0 h1:4h6Z+PHBoDOxnVnmFldqKlDA+RN/xsuhpA7BSje+W0I=
+github.com/sigstore/rekor v0.9.0/go.mod h1:ulCPpuSiKMhxMoYC4UOhJEObskh5tV6sXOdRwjGnvG0=
 github.com/sigstore/sigstore v1.0.2-0.20211210190220-04746d994282/go.mod h1:SuM+QIHtnnR9eGsURRLv5JfxM6KeaU0XKA1O7FmLs4Q=
 github.com/sigstore/sigstore v1.1.0/go.mod h1:gDpcHw4VwpoL5C6N1Ud1YtBsc+ikRDwDelDlWRyYoE8=
 github.com/sigstore/sigstore v1.2.1-0.20220424143412-3d41663116d5/go.mod h1:OvpZniSE9oRPnW7+mhxljRt2RAQU+TwcnhYbqQsPwPc=
@@ -2222,6 +2223,7 @@ github.com/valyala/tcplisten v1.0.0/go.mod h1:T0xQ8SeCZGxckz9qRXTfG43PvQ/mcWh7Fw
 github.com/vbatts/tar-split v0.11.2 h1:Via6XqJr0hceW4wff3QRzD5gAk/tatMw/4ZA7cTlIME=
 github.com/vbatts/tar-split v0.11.2/go.mod h1:vV3ZuO2yWSVsz+pfFzDG/upWH1JhjOiEaWq6kXyQ3VI=
 github.com/vektah/gqlparser v1.1.2/go.mod h1:1ycwN7Ij5njmMkPPAOaRFY4rET2Enx7IkVv3vaXspKw=
+github.com/veraison/go-cose v1.0.0-alpha.1/go.mod h1:7ziE85vSq4ScFTg6wyoMXjucIGOf4JkFEZi/an96Ct4=
 github.com/viki-org/dnscache v0.0.0-20130720023526-c70c1f23c5d8/go.mod h1:dniwbG03GafCjFohMDmz6Zc6oCuiqgH6tGNyXTkHzXE=
 github.com/vishvananda/netlink v0.0.0-20181108222139-023a6dafdcdf/go.mod h1:+SR5DhBJrl6ZM7CoCKvpw5BKroDKQ+PJqOg65H/2ktk=
 github.com/vishvananda/netlink v1.1.0/go.mod h1:cTgwzPIzzgDAYoQrMm0EdrjRUBkTqKYppBueQtXaqoE=
@@ -2238,6 +2240,7 @@ github.com/weppos/publicsuffix-go v0.15.1-0.20220329081811-9a40b608a236/go.mod h
 github.com/willf/bitset v1.1.11-0.20200630133818-d5bec3311243/go.mod h1:RjeCKbqT1RxIR/KWY6phxZiaY1IyutSBfGjNPySAYV4=
 github.com/willf/bitset v1.1.11/go.mod h1:83CECat5yLh5zVOf4P1ErAgKA5UDvKtgyUABdr3+MjI=
 github.com/withfig/autocomplete-tools/packages/cobra v0.0.0-20220122124547-31d3821a6898/go.mod h1:cKObXQ6PVFO7bHUd5jpApXvMIt55Ewz7UdMiC05ONxI=
+github.com/x448/float16 v0.8.4/go.mod h1:14CWIYCyZA/cWjXOioeEpHeN/83MdbZDRQHoFcYsOfg=
 github.com/xanzy/go-gitlab v0.31.0/go.mod h1:sPLojNBn68fMUWSxIJtdVVIP8uSBYqesTfDUseX11Ug=
 github.com/xanzy/go-gitlab v0.68.0/go.mod h1:o4yExCtdaqlM8YGdDJWuZoBmfxBsmA9TPEjs9mx1UO4=
 github.com/xanzy/ssh-agent v0.2.1/go.mod h1:mLlQY/MoOhWBj+gOGMQkOeiEvkx+8pJSI+0Bx9h2kr4=