diff --git a/__tests__/unit/predicate.test.ts b/__tests__/unit/predicate.test.ts
index 56b942d..6d08b8b 100644
--- a/__tests__/unit/predicate.test.ts
+++ b/__tests__/unit/predicate.test.ts
@@ -90,7 +90,7 @@ describe('predicateFromInputs', () => {
         predicate: 'not valid json'
       }
 
-      await expect(predicateFromInputs(inputs)).rejects.toThrow()
+      await expect(predicateFromInputs(inputs)).rejects.toThrow(/JSON/)
     })
   })
 
@@ -136,7 +136,7 @@ describe('predicateFromInputs', () => {
         predicatePath: filePath
       }
 
-      await expect(predicateFromInputs(inputs)).rejects.toThrow()
+      await expect(predicateFromInputs(inputs)).rejects.toThrow(/JSON/)
     })
   })
 })
diff --git a/__tests__/unit/sbom.test.ts b/__tests__/unit/sbom.test.ts
index 1f0e625..39613a5 100644
--- a/__tests__/unit/sbom.test.ts
+++ b/__tests__/unit/sbom.test.ts
@@ -38,7 +38,7 @@ describe('parseSBOMFromPath', () => {
       const filePath = path.join(tempDir, 'invalid.json')
       await fs.writeFile(filePath, 'not valid json')
 
-      await expect(parseSBOMFromPath(filePath)).rejects.toThrow()
+      await expect(parseSBOMFromPath(filePath)).rejects.toThrow(/JSON/)
     })
 
     it('should throw when file exceeds maximum size', async () => {