diff --git a/.github/workflows/publish_sandbox.yaml b/.github/workflows/publish_sandbox.yaml
index ec89ba3..d607a54 100644
--- a/.github/workflows/publish_sandbox.yaml
+++ b/.github/workflows/publish_sandbox.yaml
@@ -27,6 +27,9 @@ jobs:
         with:
           node-version: '20'
 
+      - name: Install Poetry
+        run: curl -sSL https://install.python-poetry.org | python3 -
+
       - name: Install Python and Node dependencies
         run: |
           make install
@@ -50,7 +53,7 @@ jobs:
 
       - name: Deploy sandbox spec to Proxygen
         run: |
-          proxygen instance deploy sandbox eligibility-signposting-api build/specification/sandbox/eligibility-signposting-api.yaml
+          proxygen instance deploy sandbox eligibility-signposting-api build/specification/sandbox/eligibility-signposting-api.yaml --no-confirm
 
       - name: Build and publish sandbox Docker image
         run: |
diff --git a/Makefile b/Makefile
index ecff3ac..eb55436 100644
--- a/Makefile
+++ b/Makefile
@@ -14,7 +14,9 @@ install-node:
 	npm install --legacy-peer-deps
 
 #Condensed Target to run all targets above.
-install: install-node install-python .git/hooks/pre-commit
+install: install-node install-python
+
+make-hooks: .git/hooks/pre-commit
 
 #Run the npm linting script (specified in package.json). Used to check the syntax and formatting of files.
 lint:
@@ -156,6 +158,11 @@ convert-postman: # Create Postman collection from OAS spec
 		portman -l /app/eligibility-signposting-api.yaml -o /app/postman/collection.json
 	echo >> $(POSTMAN_DIR)/collection.json
 	rm $(POSTMAN_DIR)/eligibility-signposting-api.yaml
+
+build-and-publish-sandbox-image: # Build and publish the sandbox Docker image
+	$(MAKE) -C sandbox build-and-publish-sandbox-image
+
+
 # ==============================================================================
 
 ${VERBOSE}.SILENT: \
diff --git a/poetry.lock b/poetry.lock
index 1df05aa..70826e0 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -373,5 +373,5 @@ tests = ["build", "coverage", "mypy", "ruff", "wheel"]
 
 [metadata]
 lock-version = "2.1"
-python-versions = "^3.13"
-content-hash = "23d89ff43dd8ce7166b9ce17305f7e9cc23e7f0953ce28cd5b35554cdbd12c1e"
+python-versions = "^3.11"
+content-hash = "52cd7c345199cdfd491fd8551655783c3cfec79ce8d61d07189cf12d71dcff84"
diff --git a/pyproject.toml b/pyproject.toml
index 4bf51ad..933028c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -6,7 +6,7 @@ authors = [
   #TODO add authors
 ]
 readme = "README.md"
-requires-python = ">=3.13"
+requires-python = ">=3.11"
 repository = "https://github.com/NHSDigital/eligibility-signposting-api-specification"
 homepage = "https://digital.nhs.uk/developer/api-catalogue"
 keywords = ["healthcare", "uk", "nhs", "vaccination", "api"] #TODO add additional keywords
@@ -17,7 +17,7 @@ requires = ["poetry-core>=2.0.0,<3.0.0"]
 build-backend = "poetry.core.masonry.api"
 
 [tool.poetry.dependencies]
-python = "^3.13"
+python = "^3.11"
 yq = "^3.2.3"
 
 [tool.poetry.group.dev.dependencies]