diff --git a/dist/setup/index.js b/dist/setup/index.js
index d7fd9f84..a5ae4a27 100644
--- a/dist/setup/index.js
+++ b/dist/setup/index.js
@@ -71772,7 +71772,12 @@ function parseNodeVersionFile(contents) {
     let nodeVersion;
     // Try parsing the file as an NPM `package.json`
     // file.
-    nodeVersion = (_a = JSON.parse(contents).engines) === null || _a === void 0 ? void 0 : _a.node;
+    try {
+        nodeVersion = (_a = JSON.parse(contents).engines) === null || _a === void 0 ? void 0 : _a.node;
+    }
+    catch (_c) {
+        core.warning("Node version file is not JSON file");
+    }
     if (!nodeVersion) {
         try {
             const found = contents.match(/^(?:nodejs\s+)?v?(?<version>[^\s]+)$/m);
diff --git a/src/installer.ts b/src/installer.ts
index a9afb2ff..c724c6f6 100644
--- a/src/installer.ts
+++ b/src/installer.ts
@@ -499,7 +499,11 @@ export function parseNodeVersionFile(contents: string): string {
 
   // Try parsing the file as an NPM `package.json`
   // file.
-  nodeVersion = JSON.parse(contents).engines?.node;
+  try {
+    nodeVersion = JSON.parse(contents).engines?.node;
+  } catch {
+    core.warning("Node version file is not JSON file")
+  }
 
   if (!nodeVersion) {
     try {