diff --git a/docker/Dockerfile b/docker/Dockerfile
index d84f081b..b7354e6b 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -63,7 +63,7 @@ ARG TARGETARCH
 ENV TARGETARCH=${TARGETARCH}
 
 # renovate: datasource=github-releases depName=cosign packageName=sigstore/cosign
-ARG COSIGN_VERSION=v2.6.1
+ARG COSIGN_VERSION=v3.0.1
 
 RUN ./install-cosign.sh $COSIGN_VERSION