diff --git a/.github/workflows/base.yml b/.github/workflows/base.yml
index 750573ef..6e3012ad 100644
--- a/.github/workflows/base.yml
+++ b/.github/workflows/base.yml
@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ['3.7', '3.8', '3.9', '3.10', '3.11']
+        python-version: ['3.7', '3.8', '3.9', '3.10', '3.11', '3.12']
 
     steps:
     - uses: actions/checkout@v3
diff --git a/.github/workflows/dashboard.yml b/.github/workflows/dashboard.yml
index 5608b3b1..57576791 100644
--- a/.github/workflows/dashboard.yml
+++ b/.github/workflows/dashboard.yml
@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ['3.7', '3.8', '3.9', '3.10', '3.11']
+        python-version: ['3.7', '3.8', '3.9', '3.10', '3.11', '3.12']
 
     steps:
       - uses: actions/checkout@v3
@@ -28,7 +28,7 @@ jobs:
           pip install --progress-bar off -U setuptools
           pip install git+https://github.com/optuna/optuna.git
           python -c 'import optuna'
-          
+
           pip install -r dashboard/requirements.txt
           optuna-dashboard --version
       - name: Run examples
diff --git a/.github/workflows/dask.yml b/.github/workflows/dask.yml
index 90c539f7..230cf65f 100644
--- a/.github/workflows/dask.yml
+++ b/.github/workflows/dask.yml
@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ['3.7', '3.8', '3.9', '3.10', '3.11']
+        python-version: ['3.7', '3.8', '3.9', '3.10', '3.11', '3.12']
 
     steps:
     - uses: actions/checkout@v3
diff --git a/.github/workflows/fastai.yml b/.github/workflows/fastai.yml
index 15417ea0..5e534cd9 100644
--- a/.github/workflows/fastai.yml
+++ b/.github/workflows/fastai.yml
@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ['3.7', '3.8', '3.9', '3.10']
+        python-version: ['3.7', '3.8', '3.9', '3.10', '3.11']
 
     steps:
     - uses: actions/checkout@v3
diff --git a/.github/workflows/haiku.yml b/.github/workflows/haiku.yml
index 7140beb3..81638767 100644
--- a/.github/workflows/haiku.yml
+++ b/.github/workflows/haiku.yml
@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ['3.8', '3.9', '3.10']
+        python-version: ['3.8', '3.9', '3.10', '3.11']
 
     steps:
     - uses: actions/checkout@v3
diff --git a/.github/workflows/hiplot.yml b/.github/workflows/hiplot.yml
index 20c63272..75594f1d 100644
--- a/.github/workflows/hiplot.yml
+++ b/.github/workflows/hiplot.yml
@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ['3.7', '3.8', '3.9', '3.10', '3.11']
+        python-version: ['3.7', '3.8', '3.9', '3.10', '3.11', '3.12']
 
     steps:
     - uses: actions/checkout@v3
diff --git a/.github/workflows/hydra.yml b/.github/workflows/hydra.yml
index 642a2ee0..31fca800 100644
--- a/.github/workflows/hydra.yml
+++ b/.github/workflows/hydra.yml
@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ['3.7', '3.8', '3.9', '3.10', '3.11']
+        python-version: ['3.7', '3.8', '3.9', '3.10', '3.11', '3.12']
 
     steps:
     - uses: actions/checkout@v3
diff --git a/.github/workflows/keras.yml b/.github/workflows/keras.yml
index 930e8466..1e6c3b8e 100644
--- a/.github/workflows/keras.yml
+++ b/.github/workflows/keras.yml
@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ['3.7', '3.8', '3.9', '3.10']
+        python-version: ['3.7', '3.8', '3.9', '3.10', '3.11']
 
     steps:
     - uses: actions/checkout@v3
diff --git a/.github/workflows/lightgbm.yml b/.github/workflows/lightgbm.yml
index a281347c..614b29bc 100644
--- a/.github/workflows/lightgbm.yml
+++ b/.github/workflows/lightgbm.yml
@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ['3.7', '3.8', '3.9', '3.10']
+        python-version: ['3.7', '3.8', '3.9', '3.10', '3.11']
 
     steps:
     - uses: actions/checkout@v3
diff --git a/.github/workflows/mlflow.yml b/.github/workflows/mlflow.yml
index 4cef93f0..249e7494 100644
--- a/.github/workflows/mlflow.yml
+++ b/.github/workflows/mlflow.yml
@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ['3.7', '3.8', '3.9', '3.10']
+        python-version: ['3.7', '3.8', '3.9', '3.10', '3.11']
 
     steps:
     - uses: actions/checkout@v3
diff --git a/.github/workflows/multi_objective.yml b/.github/workflows/multi_objective.yml
index 8e62e210..568bb452 100644
--- a/.github/workflows/multi_objective.yml
+++ b/.github/workflows/multi_objective.yml
@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ['3.7', '3.8', '3.9', '3.10']
+        python-version: ['3.7', '3.8', '3.9', '3.10', '3.11']
 
     steps:
     - uses: actions/checkout@v3
diff --git a/.github/workflows/rl.yml b/.github/workflows/rl.yml
index cfdbad71..b8cef1f3 100644
--- a/.github/workflows/rl.yml
+++ b/.github/workflows/rl.yml
@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ['3.7', '3.8', '3.9', '3.10']
+        python-version: ['3.7', '3.8', '3.9', '3.10', '3.11']
 
     steps:
     - uses: actions/checkout@v3
diff --git a/.github/workflows/samplers.yml b/.github/workflows/samplers.yml
index f6092f89..2cc7ae2e 100644
--- a/.github/workflows/samplers.yml
+++ b/.github/workflows/samplers.yml
@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ['3.7', '3.8', '3.9', '3.10', '3.11']
+        python-version: ['3.7', '3.8', '3.9', '3.10', '3.11', '3.12']
 
     steps:
     - uses: actions/checkout@v3
diff --git a/.github/workflows/skimage.yml b/.github/workflows/skimage.yml
index 13da9b90..5729cb84 100644
--- a/.github/workflows/skimage.yml
+++ b/.github/workflows/skimage.yml
@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ['3.7', '3.8', '3.9', '3.10', '3.11']
+        python-version: ['3.7', '3.8', '3.9', '3.10', '3.11', '3.12']
 
     steps:
     - uses: actions/checkout@v3
diff --git a/.github/workflows/sklearn.yml b/.github/workflows/sklearn.yml
index 3cf90e55..42dc4b5d 100644
--- a/.github/workflows/sklearn.yml
+++ b/.github/workflows/sklearn.yml
@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ['3.7', '3.8', '3.9', '3.10', '3.11']
+        python-version: ['3.7', '3.8', '3.9', '3.10', '3.11', '3.12']
 
     steps:
     - uses: actions/checkout@v3
diff --git a/.github/workflows/tensorboard.yml b/.github/workflows/tensorboard.yml
index 608d3b6b..dbf0e48e 100644
--- a/.github/workflows/tensorboard.yml
+++ b/.github/workflows/tensorboard.yml
@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ['3.7', '3.8', '3.9', '3.10']
+        python-version: ['3.7', '3.8', '3.9', '3.10', '3.11']
 
     steps:
     - uses: actions/checkout@v3
diff --git a/.github/workflows/tensorflow.yml b/.github/workflows/tensorflow.yml
index 53d127b3..d6977d57 100644
--- a/.github/workflows/tensorflow.yml
+++ b/.github/workflows/tensorflow.yml
@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ['3.7', '3.8', '3.9', '3.10']
+        python-version: ['3.7', '3.8', '3.9', '3.10', '3.11']
 
     steps:
     - uses: actions/checkout@v3
diff --git a/.github/workflows/tfkeras.yml b/.github/workflows/tfkeras.yml
index 38541886..18f226c2 100644
--- a/.github/workflows/tfkeras.yml
+++ b/.github/workflows/tfkeras.yml
@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ['3.7', '3.8', '3.9', '3.10']
+        python-version: ['3.7', '3.8', '3.9', '3.10', '3.11']
 
     steps:
     - uses: actions/checkout@v3
diff --git a/.github/workflows/visualization.yml b/.github/workflows/visualization.yml
index 05494bca..01c0f94a 100644
--- a/.github/workflows/visualization.yml
+++ b/.github/workflows/visualization.yml
@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ['3.7', '3.8', '3.9', '3.10', '3.11']
+        python-version: ['3.7', '3.8', '3.9', '3.10', '3.11', '3.12']
 
     steps:
     - uses: actions/checkout@v3
diff --git a/.github/workflows/xgboost.yml b/.github/workflows/xgboost.yml
index f41962db..ea315e45 100644
--- a/.github/workflows/xgboost.yml
+++ b/.github/workflows/xgboost.yml
@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ['3.7', '3.8', '3.9', '3.10', '3.11']
+        python-version: ['3.7', '3.8', '3.9', '3.10', '3.11', '3.12']
 
     steps:
     - uses: actions/checkout@v3
diff --git a/rl/requirements.txt b/rl/requirements.txt
index 272a7f01..ae10e02f 100644
--- a/rl/requirements.txt
+++ b/rl/requirements.txt
@@ -1,3 +1,3 @@
 optuna
-stable-baselines3>=0.7.0
-torch==1.11.0
+stable-baselines3
+torch