diff --git a/.python-version b/.python-version
index 86f8c02e..3f0a10fd 100644
--- a/.python-version
+++ b/.python-version
@@ -1 +1 @@
-3.13.5
+3.14.6
diff --git a/Dockerfile b/Dockerfile
index 36057b7b..89ca168d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:3.13-slim
+FROM python:3.14-slim
 
 RUN apt-get update && apt-get install --no-install-recommends -y git \
     && apt-get clean \
diff --git a/poetry.lock b/poetry.lock
index 5162bd8f..bc4e5f64 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1,4 +1,4 @@
-# This file is automatically @generated by Poetry 2.4.1 and should not be changed by hand.
+# This file is automatically @generated by Poetry 2.1.2 and should not be changed by hand.
 
 [[package]]
 name = "annotated-doc"
@@ -664,7 +664,7 @@ files = [
 
 [package.dependencies]
 attrs = ">=22.2.0"
-jsonschema-specifications = ">=2023.3.6"
+jsonschema-specifications = ">=2023.03.6"
 referencing = ">=0.28.4"
 rpds-py = ">=0.25.0"
 
@@ -1486,5 +1486,5 @@ standard = ["colorama (>=0.4) ; sys_platform == \"win32\"", "httptools (>=0.8.0)
 
 [metadata]
 lock-version = "2.1"
-python-versions = "^3.13"
-content-hash = "89d964f0e302e30406cbe8ea5b4a33ed857b2c05b94d291e2dd929d38568a7d3"
+python-versions = "^3.14"
+content-hash = "7d3e6148855fd3d66144cda8f056a624c1e73a08bcec80db58de4acf57a0b025"
diff --git a/pyproject.toml b/pyproject.toml
index fbda172c..0a05cefa 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -6,7 +6,7 @@ authors = ["ONSDigital"]
 package-mode = false
 
 [tool.poetry.dependencies]
-python = "^3.13"
+python = "^3.14"
 fastapi = ">=0.135.3,<0.137.0"
 jsonpointer = "^3.1.1"
 structlog = "^25.5.0"