diff --git a/.github/actions/setup-python-env/action.yml b/.github/actions/setup-python-env/action.yml
index 2462fdb..73ce559 100644
--- a/.github/actions/setup-python-env/action.yml
+++ b/.github/actions/setup-python-env/action.yml
@@ -9,7 +9,7 @@ inputs:
   uv-version:
     description: "uv version to use"
     required: true
-    default: "0.5.2"
+    default: "0.5.6"
 
 runs:
   using: "composite"
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 4c6cde2..5bed0e9 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -27,7 +27,7 @@ jobs:
       - name: Run checks
         run: make check
 
-  tests-and-type-check:
+  run-tests:
     runs-on: ubuntu-latest
     strategy:
       matrix:
@@ -47,6 +47,3 @@ jobs:
 
       - name: Run tests
         run: uv run pytest
-
-      - name: Check typing
-        run: uv run mypy
diff --git a/Makefile b/Makefile
index d0edf76..40f6811 100644
--- a/Makefile
+++ b/Makefile
@@ -11,7 +11,7 @@ check: ## Run code quality tools.
 	@echo "🚀 Linting code: Running pre-commit"
 	@uv run pre-commit run -a
 	@echo "🚀 Static type checking: Running mypy"
-	@uv run mypy
+	@uv run mypy src/
 
 .PHONY: test
 test: ## Test the code with pytest
diff --git a/pyproject.toml b/pyproject.toml
index 11c319f..3e1b5eb 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,5 +1,5 @@
 [project]
-version = "0.2.0"
+version = "0.2.0.dev0"
 name = "odc-loader"
 description = "Tooling for constructing xarray objects from parsed metadata"
 readme = "README.md"
@@ -45,11 +45,10 @@ build-backend = "flit_core.buildapi"
 name = "odc.loader"
 
 [tool.mypy]
-python_version = "3.10"
+python_version = "3.9"
 ignore_missing_imports = true
 allow_redefinition = true
-explicit_package_bases = true # work with the 'odc' namespace package
-files = ["odc"]
+show_error_codes = true
 
 
 [tool.isort]
diff --git a/uv.lock b/uv.lock
index fd9cfaf..5a4fac8 100644
--- a/uv.lock
+++ b/uv.lock
@@ -477,7 +477,7 @@ wheels = [
 
 [[package]]
 name = "odc-loader"
-version = "0.2.0"
+version = "0.2.0.dev0"
 source = { editable = "." }
 dependencies = [
     { name = "affine" },