diff --git a/.binny.yaml b/.binny.yaml
index 965d3c1c9..c9f748113 100644
--- a/.binny.yaml
+++ b/.binny.yaml
@@ -42,7 +42,7 @@ tools:
   # used for signing the checksums file at release
   - name: cosign
     version:
-      want: v3.0.2
+      want: v3.0.3
     method: github-release
     with:
       repo: sigstore/cosign