diff --git a/.changeset/sixty-moons-switch.md b/.changeset/sixty-moons-switch.md
new file mode 100644
index 0000000..e0b79d3
--- /dev/null
+++ b/.changeset/sixty-moons-switch.md
@@ -0,0 +1,5 @@
+---
+"wrangler-action": patch
+---
+
+Surface inner exception when secret:bulk upload command fails
diff --git a/package-lock.json b/package-lock.json
index 07c13fc..dcc0f21 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
 	"name": "wrangler-action",
-	"version": "3.3.2",
+	"version": "3.4.0",
 	"lockfileVersion": 3,
 	"requires": true,
 	"packages": {
 		"": {
 			"name": "wrangler-action",
-			"version": "3.3.2",
+			"version": "3.4.0",
 			"license": "MIT OR Apache-2.0",
 			"dependencies": {
 				"@actions/core": "^1.10.1",
diff --git a/src/index.ts b/src/index.ts
index 836c8d7..576e3fd 100755
--- a/src/index.ts
+++ b/src/index.ts
@@ -5,6 +5,7 @@ import {
 	endGroup as originalEndGroup,
 	error as originalError,
 	info as originalInfo,
+	debug,
 	startGroup as originalStartGroup,
 	setFailed,
 	setOutput,
@@ -204,7 +205,11 @@ async function uploadSecrets() {
 				),
 			),
 		});
-	} catch (err) {
+	} catch (err: unknown) {
+		if (err instanceof Error) {
+			error(err.message);
+			err.stack && debug(err.stack);
+		}
 		throw new Error(`Failed to upload secrets.`);
 	} finally {
 		endGroup();