diff --git a/Dockerfile b/Dockerfile
index 20fe115d..da01b545 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:3.10-slim as builder
+FROM python:3.10.12-slim-bookworm as builder
 
 RUN python -m venv --copies /opt/venv
 ENV PATH="/opt/venv/bin:$PATH"
@@ -6,6 +6,6 @@ ENV PATH="/opt/venv/bin:$PATH"
 COPY . .
 RUN pip install .
 
-FROM ghcr.io/equinor/isar:v1.15.1
+FROM ghcr.io/equinor/isar:v1.16.3
 COPY --from=builder /opt/venv /opt/venv
 ENV PATH="/opt/venv/bin:$PATH"