diff --git a/.github/workflows/tox-ci.yml b/.github/workflows/tox-ci.yml
index e1c52a8..160352a 100644
--- a/.github/workflows/tox-ci.yml
+++ b/.github/workflows/tox-ci.yml
@@ -10,7 +10,7 @@ jobs:
       - name: Run black
         uses: actions/setup-python@v4
         with:
-          python-version: 3.8
+          python-version: 3.13
       - name: install black
         run: pip install black
       - name: run black
@@ -20,7 +20,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python: [3.7, 3.8, 3.9]
+        python: [3.11, 3.12, 3.13]
     steps:
       - uses: actions/checkout@v2
       - name: Setup Python
diff --git a/requirements.txt b/requirements.txt
index f2693f2..d47e910 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-pymzml==2.5.1
+pymzml==2.6.0
 openpyxl==3.0.4
 nose
 tox
diff --git a/tox.ini b/tox.ini
index 239ee2a..b1dbea6 100644
--- a/tox.ini
+++ b/tox.ini
@@ -3,13 +3,13 @@ envlist=py36,py37,coverage,docu
 
 [testenv]
 deps =
-  -Ur{toxinidir}/requirements.txt
+  -r{toxinidir}/requirements.txt
 commands =
     nosetests
 
 [testenv:docu]
 deps =
-  -Ur{toxinidir}/docs/requirements.txt
+  -r{toxinidir}/docs/requirements.txt
 changedir = {toxinidir}/docs
 commands =
     sphinx-build -b html source build