diff --git a/backend/src/bot/modules/ai/agent.py b/backend/src/bot/modules/ai/agent.py
index ffb7386..2419e8b 100644
--- a/backend/src/bot/modules/ai/agent.py
+++ b/backend/src/bot/modules/ai/agent.py
@@ -41,7 +41,7 @@ def create_text_agent(
     model = GoogleModel(model_name, provider=provider)
     base_prompt = system_prompt or DEFAULT_SYSTEM_PROMPT
     full_prompt = f"{base_prompt} {LATEX_INSTRUCTION}"
-    return Agent(model, system_prompt=full_prompt)
+    return Agent(model, instructions=full_prompt)
 
 
 def create_follow_up_agent(
@@ -52,7 +52,7 @@ def create_follow_up_agent(
     provider = GoogleProvider(api_key=api_key)
     model = GoogleModel(model_name, provider=provider)
     prompt = system_prompt or DEFAULT_FOLLOW_UP
-    return Agent(model, output_type=FollowUpOptions, system_prompt=prompt)
+    return Agent(model, output_type=FollowUpOptions, instructions=prompt)
 
 
 def build_message_history(history: list[dict[str, str]]) -> list[ModelMessage]: