diff --git a/.github/actions/setup-build-environment/action.yml b/.github/actions/setup-build-environment/action.yml
index 5c9db17560..13901c4c94 100644
--- a/.github/actions/setup-build-environment/action.yml
+++ b/.github/actions/setup-build-environment/action.yml
@@ -34,6 +34,10 @@ runs:
       with:
         version: "0.8.9"
 
+    - name: Install Python versions for tests
+      run: make install-pythons
+      shell: bash
+
     - name: Install ruff (Python linter and formatter)
       uses: astral-sh/ruff-action@4919ec5cf1f49eff0871dbcea0da843445b837e6 # v3.6.1
       with:
diff --git a/Makefile b/Makefile
index 5714483a36..d85882493a 100644
--- a/Makefile
+++ b/Makefile
@@ -70,6 +70,10 @@ links:
 checks: tidy ws links
 
 
+.PHONY: install-pythons
+install-pythons:
+	uv python install 3.9 3.10 3.11 3.12 3.13
+
 # Run short unit and acceptance tests (testing.Short() is true).
 .PHONY: test
 test: test-unit test-acc