diff --git a/presidio/Dockerfile b/presidio/Dockerfile
index 60c296a4..2c425c4d 100644
--- a/presidio/Dockerfile
+++ b/presidio/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:3.9-slim
+FROM python:3.12-slim@sha256:445e0de121b40630aea39f92ee643876dc508bcad1ffc45e610377aacdd1e056
 
 ARG NAME
 ARG NLP_CONF_FILE=conf/default.yaml