diff --git a/.python-version b/.python-version
index a08ffae0..11aaa068 100644
--- a/.python-version
+++ b/.python-version
@@ -1 +1 @@
-3.8.2
+3.9.5
diff --git a/README.md b/README.md
index 5e58e756..72042c2e 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,7 @@
 The S3 cache action is an Azure Pipelines extension to be used with build pipelines in Azure DevOps to give us better control of our caching dependencies when deploying APIs. The task is not exclusive to dependencies and can cache a given file or folder.   
 
 ## How to use
-The s3-cache-action task is designed to add an easy way to provide caching of dependencies. To demonstrate, let's examine the following build definition snippet:
+The s3-cache-action task is designed to add an easy way to provide caching of dependencies. To demonstrate, let's examine the following build definition snippet: 
 ```yaml
   - task: s3-cache-action@1
     inputs:
diff --git a/azure/azure-build-pipeline.yml b/azure/azure-build-pipeline.yml
index ba7673ea..480a2f97 100644
--- a/azure/azure-build-pipeline.yml
+++ b/azure/azure-build-pipeline.yml
@@ -43,14 +43,14 @@ stages:
             displayName: Print AWS info
 
           - task: UsePythonVersion@0
-            displayName: "Use Python 3.8"
+            displayName: "Use Python 3.9"
             inputs:
-              versionSpec: "3.8"
+              versionSpec: "3.9"
 
           - task: NodeTool@0
-            displayName: "Use Node 13"
+            displayName: "Use Node 18"
             inputs:
-              versionSpec: '13.x'
+              versionSpec: '18.x'
 
           - bash: |
               node --version
diff --git a/pyproject.toml b/pyproject.toml
index ae9c16f3..7261d70d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -6,7 +6,7 @@ authors = ["Alex Carrie <alexander.carrie1@nhs.net>"]
 license = "MIT"
 
 [tool.poetry.dependencies]
-python = "^3.8"
+python = ">=3.8,<4.0"
 docker-compose-wait = "^1.2.2"
 
 [tool.poetry.dev-dependencies]