diff --git a/go.mod b/go.mod
index a9c1833..fd8bace 100644
--- a/go.mod
+++ b/go.mod
@@ -11,7 +11,7 @@ require (
 	github.com/go-openapi/strfmt v0.23.0
 	github.com/go-openapi/swag v0.23.0
 	github.com/google/certificate-transparency-go v1.3.1
-	github.com/in-toto/attestation v1.1.0
+	github.com/in-toto/attestation v1.1.1
 	github.com/in-toto/in-toto-golang v0.9.0
 	github.com/secure-systems-lab/go-securesystemslib v0.9.0
 	github.com/sigstore/protobuf-specs v0.3.3
diff --git a/go.sum b/go.sum
index d6310c8..5aae392 100644
--- a/go.sum
+++ b/go.sum
@@ -191,8 +191,8 @@ github.com/hashicorp/vault/api v1.15.0 h1:O24FYQCWwhwKnF7CuSqP30S51rTV7vz1iACXE/
 github.com/hashicorp/vault/api v1.15.0/go.mod h1:+5YTO09JGn0u+b6ySD/LLVf8WkJCPLAL2Vkmrn2+CM8=
 github.com/howeyc/gopass v0.0.0-20210920133722-c8aef6fb66ef h1:A9HsByNhogrvm9cWb28sjiS3i7tcKCkflWFEkHfuAgM=
 github.com/howeyc/gopass v0.0.0-20210920133722-c8aef6fb66ef/go.mod h1:lADxMC39cJJqL93Duh1xhAs4I2Zs8mKS89XWXFGp9cs=
-github.com/in-toto/attestation v1.1.0 h1:oRWzfmZPDSctChD0VaQV7MJrywKOzyNrtpENQFq//2Q=
-github.com/in-toto/attestation v1.1.0/go.mod h1:DB59ytd3z7cIHgXxwpSX2SABrU6WJUKg/grpdgHVgVs=
+github.com/in-toto/attestation v1.1.1 h1:QD3d+oATQ0dFsWoNh5oT0udQ3tUrOsZZ0Fc3tSgWbzI=
+github.com/in-toto/attestation v1.1.1/go.mod h1:Dcq1zVwA2V7Qin8I7rgOi+i837wEf/mOZwRm047Sjys=
 github.com/in-toto/in-toto-golang v0.9.0 h1:tHny7ac4KgtsfrG6ybU8gVOZux2H8jN05AXJ9EBM1XU=
 github.com/in-toto/in-toto-golang v0.9.0/go.mod h1:xsBVrVsHNsB61++S6Dy2vWosKhuA3lUTQd+eF9HdeMo=
 github.com/inconshreveable/mousetrap v1.1.0 h1:wN+x4NVGpMsO7ErUn/mUI3vEoE6Jt13X2s0bqwp9tc8=