diff --git a/dist/setup/index.js b/dist/setup/index.js
index 0530081..126f4a3 100644
--- a/dist/setup/index.js
+++ b/dist/setup/index.js
@@ -90514,7 +90514,7 @@ class PipenvCache extends cache_distributor_1.default {
     computeKeys() {
         return __awaiter(this, void 0, void 0, function* () {
             const hash = yield glob.hashFiles(this.patterns);
-            const primaryKey = `${this.CACHE_KEY_PREFIX}-${process.env['RUNNER_OS']}-python-${process.arch}-${this.pythonVersion}-${this.packageManager}-${hash}`;
+            const primaryKey = `${this.CACHE_KEY_PREFIX}-${process.env['RUNNER_OS']}-${process.arch}-python-${this.pythonVersion}-${this.packageManager}-${hash}`;
             const restoreKey = undefined;
             return {
                 primaryKey,
diff --git a/docs/advanced-usage.md b/docs/advanced-usage.md
index 501c8fd..65ccda2 100644
--- a/docs/advanced-usage.md
+++ b/docs/advanced-usage.md
@@ -319,6 +319,7 @@ steps:
 - run: poetry install
 - run: poetry run pytest
 ```
+>**Note:** If the `setup-python` version does not match the version specified in `pyproject.toml` and the python version in `pyproject.toml` is less than the runner's python version, `poetry install` will default to using the runner's Python version.
 
 **Using a list of file paths to cache dependencies**
 ```yaml