diff --git a/Dockerfile b/Dockerfile
index 3b15918..c7aa7f1 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1 +1 @@
-FROM miniflux/miniflux:2.0.37
+FROM miniflux/miniflux:2.0.37@sha256:0a768ab76a1e8e0f03b1a29d9a8424eb60af71af937da35677e87d5a4ef65bf6