diff --git a/.changeset/ten-apes-turn.md b/.changeset/ten-apes-turn.md
new file mode 100644
index 0000000000..750f48beba
--- /dev/null
+++ b/.changeset/ten-apes-turn.md
@@ -0,0 +1,5 @@
+---
+'@backstage/cli': patch
+---
+
+Disabled parsing of input source maps in the SWC transform for Jest.
diff --git a/packages/cli/config/jestSwcTransform.js b/packages/cli/config/jestSwcTransform.js
index c44d0fe4b0..83abacc9b5 100644
--- a/packages/cli/config/jestSwcTransform.js
+++ b/packages/cli/config/jestSwcTransform.js
@@ -18,7 +18,10 @@ const { createTransformer: createSwcTransformer } = require('@swc/jest');
 const ESM_REGEX = /\b(?:import|export)\b/;
 
 function createTransformer(config) {
-  const swcTransformer = createSwcTransformer(config);
+  const swcTransformer = createSwcTransformer({
+    inputSourceMap: false,
+    ...config,
+  });
   const process = (source, filePath, jestOptions) => {
     if (filePath.endsWith('.js') && !ESM_REGEX.test(source)) {
       return { code: source };