diff --git a/docker/docker/Dockerfile.linux.amd64 b/docker/docker/Dockerfile.linux.amd64
index a558baf..8c61c25 100644
--- a/docker/docker/Dockerfile.linux.amd64
+++ b/docker/docker/Dockerfile.linux.amd64
@@ -3,7 +3,7 @@ FROM docker:28.1.1-dind
 ENV DOCKER_HOST=unix:///var/run/docker.sock
 
 # Install cosign for container image signing
-RUN wget -O /usr/local/bin/cosign https://github.com/sigstore/cosign/releases/latest/download/cosign-linux-amd64 \
+RUN wget -O /usr/local/bin/cosign https://github.com/sigstore/cosign/releases/download/v2.5.3/cosign-linux-amd64 \
     && chmod +x /usr/local/bin/cosign
 
 ADD release/linux/amd64/drone-docker /bin/
diff --git a/docker/docker/Dockerfile.linux.arm64 b/docker/docker/Dockerfile.linux.arm64
index e86ee9d..86fd627 100644
--- a/docker/docker/Dockerfile.linux.arm64
+++ b/docker/docker/Dockerfile.linux.arm64
@@ -3,7 +3,7 @@ FROM arm64v8/docker:28.1.1-dind
 ENV DOCKER_HOST=unix:///var/run/docker.sock
 
 # Install cosign for container image signing
-RUN wget -O /usr/local/bin/cosign https://github.com/sigstore/cosign/releases/latest/download/cosign-linux-arm64 \
+RUN wget -O /usr/local/bin/cosign https://github.com/sigstore/cosign/releases/download/v2.5.3/cosign-linux-arm64 \
     && chmod +x /usr/local/bin/cosign
 
 ADD release/linux/arm64/drone-docker /bin/