diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 9b85779d..06c19e9c 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -24,7 +24,7 @@ repos:
     -   id: docformatter
 
 -   repo: https://github.com/pre-commit/mirrors-mypy
-    rev: v1.8.0
+    rev: v1.9.0
     hooks:
     -   id: mypy
         additional_dependencies: [types-PyYAML, types-tqdm]
diff --git a/appletree/component.py b/appletree/component.py
index bf250928..99d697f5 100644
--- a/appletree/component.py
+++ b/appletree/component.py
@@ -25,9 +25,9 @@ class Component:
 
     rate_name: str = ""
     norm_type: str = ""
-    add_eps_to_hist: bool = (
-        True  # add_eps_to_hist==True was introduced as only a workaround for likelihood blowup problem when using meshgrid binning
-    )
+    # add_eps_to_hist==True was introduced as only a workaround
+    # for likelihood blowup problem when using meshgrid binning
+    add_eps_to_hist: bool = True
     force_no_eff: bool = False
 
     def __init__(self, name: Optional[str] = None, llh_name: Optional[str] = None, **kwargs):