diff --git a/rootfs/cosign/go.mod b/rootfs/cosign/go.mod
index f135c28f..1247f3e6 100644
--- a/rootfs/cosign/go.mod
+++ b/rootfs/cosign/go.mod
@@ -2,7 +2,7 @@ module github.com/runfinch/finch-core/rootfs/cosign
 
 go 1.25.5
 
-require github.com/sigstore/cosign/v2 v2.6.2
+require github.com/sigstore/cosign/v2 v2.6.3
 
 require (
 	cloud.google.com/go v0.121.6 // indirect
diff --git a/rootfs/cosign/go.sum b/rootfs/cosign/go.sum
index 1b0abe6f..f450a4e5 100644
--- a/rootfs/cosign/go.sum
+++ b/rootfs/cosign/go.sum
@@ -620,8 +620,8 @@ github.com/sergi/go-diff v1.4.0 h1:n/SP9D5ad1fORl+llWyN+D6qoUETXNZARKjyY2/KVCw=
 github.com/sergi/go-diff v1.4.0/go.mod h1:A0bzQcvG0E7Rwjx0REVgAGH58e96+X0MeOfepqsbeW4=
 github.com/shibumi/go-pathspec v1.3.0 h1:QUyMZhFo0Md5B8zV8x2tesohbb5kfbpTi9rBnKh5dkI=
 github.com/shibumi/go-pathspec v1.3.0/go.mod h1:Xutfslp817l2I1cZvgcfeMQJG5QnU2lh5tVaaMCl3jE=
-github.com/sigstore/cosign/v2 v2.6.2 h1:mi6EAUJoPZ+yuyooU7m06a1DZWJouwYgh9a67L9tm2M=
-github.com/sigstore/cosign/v2 v2.6.2/go.mod h1:g+P/LgYyJkC85WGGDho7yySl3C6xTJzzpLm21ZV+E6s=
+github.com/sigstore/cosign/v2 v2.6.3 h1:1W+rZWz0zkTfqmTmYBOQS/Jt97NKz1OCzxTV2YAp1+s=
+github.com/sigstore/cosign/v2 v2.6.3/go.mod h1:g+P/LgYyJkC85WGGDho7yySl3C6xTJzzpLm21ZV+E6s=
 github.com/sigstore/fulcio v1.8.5 h1:HYTD1/L5wlBp8JxsWxUf8hmfaNBBF/x3r3p5l6tZwbA=
 github.com/sigstore/fulcio v1.8.5/go.mod h1:tSLYK3JsKvJpDW1BsIsVHZgHj+f8TjXARzqIUWSsSPQ=
 github.com/sigstore/protobuf-specs v0.5.0 h1:F8YTI65xOHw70NrvPwJ5PhAzsvTnuJMGLkA4FIkofAY=