diff --git a/actions/rclone/Dockerfile b/actions/rclone/Dockerfile
index 4e184d3af..de48312a1 100644
--- a/actions/rclone/Dockerfile
+++ b/actions/rclone/Dockerfile
@@ -1,5 +1,5 @@
 # Use a specific version tag for the base image
-FROM alpine:3.24
+FROM alpine:3.24@sha256:be2656061b536c1883c4034790e21d0a09c5aaaf51968b89368a3c0371ea2c9a
 
 # Combine RUN commands into a single line to reduce the number of layers
 RUN apk --update --no-cache add \