diff --git a/lib/crates/fabro-workflows/tests/integration.rs b/lib/crates/fabro-workflows/tests/integration.rs
index b89825f74..d7d024ec0 100644
--- a/lib/crates/fabro-workflows/tests/integration.rs
+++ b/lib/crates/fabro-workflows/tests/integration.rs
@@ -8133,7 +8133,7 @@ fn hook_toml_run_config_parsing() {
     let toml = r#"
 version = 1
 goal = "Test hooks in run config"
-graph = "test.dot"
+graph = "test.fabro"
 
 [[hooks]]
 event = "stage_start"
@@ -8317,7 +8317,7 @@ fn hook_toml_prompt_and_agent_parsing() {
     let toml = r#"
 version = 1
 goal = "Test prompt/agent hooks"
-graph = "test.dot"
+graph = "test.fabro"
 
 [[hooks]]
 event = "stage_start"