diff --git a/Dockerfile b/Dockerfile
index 3ddd335e51e8a83015c31a2dced2b76004e8713c..74fb7e664984eb16eabc22594dde70e5d5de58d3 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 # Use the official Anaconda base image
-FROM continuumio/anaconda3:bd2af590d39a5d1b590cd6ad2abab37ae386b7e2a9b9d91e110d3d82074f3af9
+FROM continuumio/anaconda3:sha256:bd2af590d39a5d1b590cd6ad2abab37ae386b7e2a9b9d91e110d3d82074f3af9
 
 # Set environment variable to avoid user interaction during package installation
 ENV DEBIAN_FRONTEND=noninteractive