diff --git a/dist/index.js b/dist/index.js
index 8e4d58e..bc37a33 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -137,6 +137,7 @@ function getInputs() {
         cachePrefix: core.getInput("cache-prefix"),
         cacheSaveAlways: core.getBooleanInput("cache-save-always"),
         upgradeStack: core.getBooleanInput("upgrade-stack"),
+        stackYaml: getInputDefault("stack-yaml", null),
     };
 }
 exports.getInputs = getInputs;
@@ -195,6 +196,11 @@ async function run() {
             core.debug(`Change directory: ${inputs.workingDirectory}`);
             process.chdir(inputs.workingDirectory);
         }
+        if (inputs.stackYaml) {
+            core.warning("inputs.stack-yaml is deprecated. Set env.STACK_YAML or use inputs.stack-arguments instead.");
+            inputs.stackArguments.unshift(inputs.stackYaml);
+            inputs.stackArguments.unshift("--stack-yaml");
+        }
         const stack = new stack_cli_1.StackCLI(inputs.stackArguments, core.isDebug());
         const hashes = await core.group("Calculate hashes", async () => {
             const hashes = await (0, hash_project_1.hashProject)(stack.config);