diff --git a/apps/ai-service/src/pipeline/course-generation.pipeline.ts b/apps/ai-service/src/pipeline/course-generation.pipeline.ts
index f6efa74..eeff37c 100644
--- a/apps/ai-service/src/pipeline/course-generation.pipeline.ts
+++ b/apps/ai-service/src/pipeline/course-generation.pipeline.ts
@@ -56,7 +56,7 @@ export class CourseGenerationPipeline {
           status: GenerationStatus.WAITING_FOR_ANSWERS,
           progress: 20,
           currentStep: 'Waiting for your answers...',
-          questions: questionsResult.questions as unknown as Record<string, unknown>,
+          questions: questionsResult.questions as Prisma.InputJsonValue,
         },
       });
 
@@ -141,7 +141,7 @@ export class CourseGenerationPipeline {
     await prisma.courseGeneration.update({
       where: { id: generationId },
       data: {
-        generatedOutline: outline as unknown as Record<string, unknown>,
+        generatedOutline: outline as Prisma.InputJsonValue,
         progress: 55,
       },
     });
@@ -196,7 +196,7 @@ export class CourseGenerationPipeline {
         await prisma.lesson.update({
           where: { id: lesson.id },
           data: {
-            content: lessonContent.content as unknown as Record<string, unknown>,
+            content: lessonContent.content as Prisma.InputJsonValue,
           },
         });