diff --git a/Dockerfile b/Dockerfile
index ecec060..7beb776 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM ghcr.io/ministryofjustice/analytical-platform-airflow-python-base:1.19.0@sha256:594f9d28b5b53ad55f96dce790774dccc93db892a167bcbd832bb9a06fea0e1b
+FROM ghcr.io/ministryofjustice/analytical-platform-airflow-python-base:1.21.0@sha256:c312e931a1a4822af79b2fe567c62f37ee1264dd34507a9ccd16b98c95bf7ea9
 
 ARG MOJAP_IMAGE_VERSION="default"
 ENV MOJAP_IMAGE_VERSION=${MOJAP_IMAGE_VERSION}