diff --git a/skills/ir_generation_skill/config.py b/skills/ir_generation_skill/config.py
index e78b91d..563b723 100644
--- a/skills/ir_generation_skill/config.py
+++ b/skills/ir_generation_skill/config.py
@@ -86,7 +86,8 @@ COVERAGE_TARGET = float(os.environ.get("IR_COVERAGE_TARGET", "0.95"))
 ENSEMBLE_TEMPERATURES = [
     float(os.environ.get("IR_ENSEMBLE_T1", "0.0")),
     float(os.environ.get("IR_ENSEMBLE_T2", "0.3")),
-    float(os.environ.get("IR_ENSEMBLE_T3", "0.7")),
+    float(os.environ.get("IR_ENSEMBLE_T3", "0.5")),
+    float(os.environ.get("IR_ENSEMBLE_T4", "0.7")),
 ]