diff --git a/backend/api/.python-version b/backend/api/.python-version
index 2419ad5b0a32..35f236d6e56f 100644
--- a/backend/api/.python-version
+++ b/backend/api/.python-version
@@ -1 +1 @@
-3.11.9
+3.12.6
diff --git a/backend/api/Dockerfile b/backend/api/Dockerfile
index a68079df263e..218526f63d51 100644
--- a/backend/api/Dockerfile
+++ b/backend/api/Dockerfile
@@ -1,5 +1,5 @@
 # Using a slim version for a smaller base image
-FROM python:3.11.6-slim-bullseye
+FROM python:3.12.6-slim-bullseye@sha256:34ba6fe9564c84d5f9252cbfff93f20e1ca325fa89d02cb0eb72ad73663c2314
 
 ARG DEV_MODE
 ENV DEV_MODE=$DEV_MODE
diff --git a/backend/api/Dockerfile.dev b/backend/api/Dockerfile.dev
index 5495e8a1f4d5..ca11f281925b 100644
--- a/backend/api/Dockerfile.dev
+++ b/backend/api/Dockerfile.dev
@@ -1,5 +1,5 @@
 # Using a slim version for a smaller base image
-FROM python:3.11.6-slim-bullseye
+FROM python:3.12.6-slim-bullseye@sha256:34ba6fe9564c84d5f9252cbfff93f20e1ca325fa89d02cb0eb72ad73663c2314
 
 ARG DEV_MODE
 ENV DEV_MODE=$DEV_MODE
diff --git a/backend/core/.python-version b/backend/core/.python-version
index 2419ad5b0a32..35f236d6e56f 100644
--- a/backend/core/.python-version
+++ b/backend/core/.python-version
@@ -1 +1 @@
-3.11.9
+3.12.6
diff --git a/backend/core/Dockerfile.test b/backend/core/Dockerfile.test
index 4ec16699fdfa..cb22d0a21348 100644
--- a/backend/core/Dockerfile.test
+++ b/backend/core/Dockerfile.test
@@ -1,5 +1,5 @@
 # Using a slim version for a smaller base image
-FROM python:3.11.6-slim-bullseye
+FROM python:3.12.6-slim-bullseye@sha256:34ba6fe9564c84d5f9252cbfff93f20e1ca325fa89d02cb0eb72ad73663c2314
 
 # Install GEOS library, Rust, and other dependencies, then clean up
 RUN apt-get clean && apt-get update && apt-get install -y \