diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 62af6dcd..a47a89f6 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -45,8 +45,9 @@ jobs:
           uvx twine check dist/*
       - name: "Install built packages"
         run: |
+          uv run .ci/scripts/calc_constraints.py -u pyproject.toml > upperbounds_constraints.txt
           # This seems to be the only way to inject the constraints file.
-          uv pip install dist/pulp_catdog-*-py3-none-any.whl -c .ci/assets/ci_constraints.txt
+          uv pip install dist/pulp_catdog-*-py3-none-any.whl -c .ci/assets/ci_constraints.txt -c upperbounds_constraints.txt
       - name: "Generate api specs"
         run: |
           pulpcore-manager openapi --file "api.json"
diff --git a/templates/github/.github/workflows/build.yml.j2 b/templates/github/.github/workflows/build.yml.j2
index ac0c3921..c5fbcf97 100644
--- a/templates/github/.github/workflows/build.yml.j2
+++ b/templates/github/.github/workflows/build.yml.j2
@@ -37,8 +37,9 @@ jobs:
           uvx twine check dist/*
       - name: "Install built packages"
         run: |
+          uv run .ci/scripts/calc_constraints.py -u pyproject.toml > upperbounds_constraints.txt
           # This seems to be the only way to inject the constraints file.
-          uv pip install dist/{{ plugin_name | snake }}-*-py3-none-any.whl -c .ci/assets/ci_constraints.txt
+          uv pip install dist/{{ plugin_name | snake }}-*-py3-none-any.whl -c .ci/assets/ci_constraints.txt -c upperbounds_constraints.txt
       - name: "Generate api specs"
         run: |
           pulpcore-manager openapi --file "api.json"