diff --git a/packages/tool-cache/__tests__/tool-cache.test.ts b/packages/tool-cache/__tests__/tool-cache.test.ts
index 3722d18b..d03c9b39 100644
--- a/packages/tool-cache/__tests__/tool-cache.test.ts
+++ b/packages/tool-cache/__tests__/tool-cache.test.ts
@@ -553,7 +553,9 @@ describe('@actions/tool-cache', function() {
       if (IS_WINDOWS) {
         const escapedStagingPath = stagingDir.replace(/'/g, "''") // double-up single quotes
         const escapedZipFile = zipFile.replace(/'/g, "''")
-        const powershellPath = await io.which('powershell', true)
+        const powershellPath =
+          (await io.which('pwsh', false)) ||
+          (await io.which('powershell', true))
         const args = [
           '-NoLogo',
           '-Sta',
@@ -604,7 +606,9 @@ describe('@actions/tool-cache', function() {
       if (IS_WINDOWS) {
         const escapedStagingPath = stagingDir.replace(/'/g, "''") // double-up single quotes
         const escapedZipFile = zipFile.replace(/'/g, "''")
-        const powershellPath = await io.which('powershell', true)
+        const powershellPath =
+          (await io.which('pwsh', false)) ||
+          (await io.which('powershell', true))
         const args = [
           '-NoLogo',
           '-Sta',
@@ -661,7 +665,9 @@ describe('@actions/tool-cache', function() {
       if (IS_WINDOWS) {
         const escapedStagingPath = stagingDir.replace(/'/g, "''") // double-up single quotes
         const escapedZipFile = zipFile.replace(/'/g, "''")
-        const powershellPath = await io.which('powershell', true)
+        const powershellPath =
+          (await io.which('pwsh', false)) ||
+          (await io.which('powershell', true))
         const args = [
           '-NoLogo',
           '-Sta',