diff --git a/.github/workflows/tests-coverage.yml b/.github/workflows/tests-coverage.yml
index 0005070a..6bcc81f6 100644
--- a/.github/workflows/tests-coverage.yml
+++ b/.github/workflows/tests-coverage.yml
@@ -24,6 +24,9 @@ jobs:
           - name-suffix: "basic"
             os: ubuntu-latest
             python-version: "3.10"
+          - name-suffix: "basic"
+            os: ubuntu-latest
+            python-version: 3.11
           - name-suffix: "basic"
             os: windows-latest
             python-version: 3.9
diff --git a/eDisGo_env.yml b/eDisGo_env.yml
index 7e9a6ef7..c9f4e623 100644
--- a/eDisGo_env.yml
+++ b/eDisGo_env.yml
@@ -3,7 +3,7 @@ channels:
   - conda-forge
   - defaults
 dependencies:
-  - python >= 3.9, < 3.11
+  - python >= 3.9, <= 3.11
   - pip
   - pandas >= 1.4, < 2.2.0
   - conda-forge::fiona
diff --git a/eDisGo_env_dev.yml b/eDisGo_env_dev.yml
index 3cbea7d3..859e3954 100644
--- a/eDisGo_env_dev.yml
+++ b/eDisGo_env_dev.yml
@@ -3,7 +3,7 @@ channels:
   - conda-forge
   - defaults
 dependencies:
-  - python >= 3.9, < 3.11
+  - python >= 3.9, <= 3.11
   - pip
   - pandas >= 1.4, < 2.2.0
   - conda-forge::fiona
diff --git a/edisgo/network/topology.py b/edisgo/network/topology.py
index f411bf31..2462314f 100755
--- a/edisgo/network/topology.py
+++ b/edisgo/network/topology.py
@@ -2123,7 +2123,7 @@ def _choose_random_substation_id():
 
             """
             if comp_type == "generator":
-                random.seed(a=comp_data["generator_id"])
+                random.seed(a=int(comp_data["generator_id"]))
             elif comp_type == "storage_unit":
                 random.seed(a=len(self.storage_units_df))
             else:
diff --git a/rtd_requirements.txt b/rtd_requirements.txt
index c9e102de..3900ea86 100644
--- a/rtd_requirements.txt
+++ b/rtd_requirements.txt
@@ -13,7 +13,7 @@ pyproj >= 3.0.0
 pypsa == 0.26.2
 pyyaml
 saio
-scikit-learn
+scikit-learn < 1.3.0
 sphinx
 sphinx_rtd_theme >=0.5.2
 sphinx-autodoc-typehints
diff --git a/setup.py b/setup.py
index 5b67f566..f04a4b97 100644
--- a/setup.py
+++ b/setup.py
@@ -55,7 +55,7 @@ def read(fname):
     "pypsa == 0.26.2",
     "pyyaml",
     "saio",
-    "scikit-learn <= 1.1.1",
+    "scikit-learn < 1.3.0",
     "shapely >= 1.7.0",
     "sqlalchemy < 1.4.0",
     "sshtunnel",