diff --git a/agent/e2e/run-s3.sh b/agent/e2e/run-s3.sh
index 5ff44dc..4258dcb 100755
--- a/agent/e2e/run-s3.sh
+++ b/agent/e2e/run-s3.sh
@@ -18,7 +18,7 @@ fail() { printf 'E2E FAIL: %s\n' "$*" >&2; exit 1; }
 log "starting MinIO (S3 endpoint)"
 docker run -d --name "$NAME" -p 9101:9000 \
   -e MINIO_ROOT_USER=testaccess -e MINIO_ROOT_PASSWORD=testsecret123 \
-  minio/minio server /data >/dev/null
+  quay.io/minio/minio:RELEASE.2025-09-07T16-13-09Z server /data >/dev/null
 for i in $(seq 1 30); do
   curl -sf -o /dev/null http://localhost:9101/minio/health/live && break
   sleep 1
diff --git a/agent/go.mod b/agent/go.mod
index 1e77d12..7388e6f 100644
--- a/agent/go.mod
+++ b/agent/go.mod
@@ -2,6 +2,8 @@ module github.com/restorable-dev/restorable/agent
 
 go 1.25.0
 
+toolchain go1.26.8
+
 require (
 	github.com/containerd/errdefs v1.0.0
 	github.com/docker/docker v28.5.2+incompatible