diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 0f31195d..942da8f4 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -66,4 +66,4 @@ jobs:
           --durations=20
 
       - name: Upload coverage report
-        uses: codecov/codecov-action@v4.5.0
+        uses: codecov/codecov-action@v5.1.1
diff --git a/src/HHbbVV/VBF_binder/VBFgenInfoTests.ipynb b/src/HHbbVV/VBF_binder/VBFgenInfoTests.ipynb
index 75af0bf9..9ad093bd 100644
--- a/src/HHbbVV/VBF_binder/VBFgenInfoTests.ipynb
+++ b/src/HHbbVV/VBF_binder/VBFgenInfoTests.ipynb
@@ -102,7 +102,6 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "\n",
     "import matplotlib.pyplot as plt\n",
     "import numpy as np\n",
     "import pandas as pd\n",
diff --git a/src/HHbbVV/postprocessing/BDT_LPSFs.ipynb b/src/HHbbVV/postprocessing/BDT_LPSFs.ipynb
index 28ac1f92..724916cf 100644
--- a/src/HHbbVV/postprocessing/BDT_LPSFs.ipynb
+++ b/src/HHbbVV/postprocessing/BDT_LPSFs.ipynb
@@ -23,7 +23,6 @@
     "warnings.simplefilter(action=\"ignore\", category=SettingWithCopyWarning)\n",
     "\n",
     "\n",
-    "\n",
     "import matplotlib.pyplot as plt\n",
     "import matplotlib.ticker as mticker\n",
     "import mplhep as hep\n",
diff --git a/src/HHbbVV/postprocessing/VV_analysis.ipynb b/src/HHbbVV/postprocessing/VV_analysis.ipynb
index 621efaf3..6a4de4a6 100644
--- a/src/HHbbVV/postprocessing/VV_analysis.ipynb
+++ b/src/HHbbVV/postprocessing/VV_analysis.ipynb
@@ -29,7 +29,6 @@
     "warnings.simplefilter(action=\"ignore\", category=SettingWithCopyWarning)\n",
     "\n",
     "\n",
-    "\n",
     "import matplotlib.pyplot as plt\n",
     "import matplotlib.ticker as mticker\n",
     "import mplhep as hep\n",
diff --git a/src/HHbbVV/scale_factors/top_reweighting.ipynb b/src/HHbbVV/scale_factors/top_reweighting.ipynb
index 2cd4f0d6..88d6f47d 100644
--- a/src/HHbbVV/scale_factors/top_reweighting.ipynb
+++ b/src/HHbbVV/scale_factors/top_reweighting.ipynb
@@ -606,7 +606,6 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "\n",
     "with gzip.open(corrections.get_pog_json(\"jec\", \"2017\"), \"r\") as fin:\n",
     "    jec = json.loads(fin.read().decode(\"utf-8\"))\n",
     "\n",