diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 5697109..128503c 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ['3.9', '3.10', '3.11']
+        python-version: ['3.10', '3.11', '3.12']
 
     steps:
       - name: Cancel Previous Runs
@@ -24,7 +24,7 @@ jobs:
           python-version: ${{ matrix.python-version }}
       - name: Install dependencies
         run: |
-          python -m pip install --upgrade pip
+          python -m pip install --upgrade pip setuptools
           pip install -r requirements.txt
           pip install --upgrade git+https://github.com/PennyLaneAI/pennylane.git#egg=pennylane
           pip install wheel pytest pytest-cov pytest-mock pytest-benchmark --upgrade
@@ -57,7 +57,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v2
         with:
-          python-version: 3.9
+          python-version: "3.10"
 
       - name: Install dependencies
         run: |
diff --git a/.github/workflows/upload.yml b/.github/workflows/upload.yml
index 8382a6c..da148dc 100644
--- a/.github/workflows/upload.yml
+++ b/.github/workflows/upload.yml
@@ -12,7 +12,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v2
         with:
-          python-version: 3.9
+          python-version: "3.10"
 
       - name: Build and install Plugin
         run: |
diff --git a/.readthedocs.yml b/.readthedocs.yml
index 4d3dc2f..4c7930d 100644
--- a/.readthedocs.yml
+++ b/.readthedocs.yml
@@ -27,6 +27,6 @@ python:
 build:
   os: ubuntu-22.04
   tools:
-    python: "3.9"
+    python: "3.10"
   apt_packages:
     - graphviz
\ No newline at end of file
diff --git a/CHANGELOG.md b/CHANGELOG.md
index e87583b..df282c1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,10 @@
 # Release 0.39.0
 
+### Breaking changes 💔
+
+* Support for Python 3.9 has been removed, and support for 3.12 has been added.
+  [(#127)](https://github.com/PennyLaneAI/PennyLane-IonQ/pull/127)
+
 ### Improvements 🛠
 
 * Enable multi-circuit submission.
@@ -15,6 +20,7 @@
 This release contains contributions from (in alphabetical order):
 
 Astral Cai
+Pietropaolo Frisoni
 Radu Marginean
 
 ---
diff --git a/requirements.txt b/requirements.txt
index 10000fa..6154b5e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,13 +8,13 @@ future==0.18.3
 idna==3.3
 networkx==2.6.0
 ninja==1.10.2.3
-numpy==1.23.5
+numpy~=1.23
+scipy~=1.10
 PennyLane==0.24.0
 PennyLane-Lightning==0.24.0
 python-dateutil==2.8.2
 requests==2.31.0
 retworkx==0.12.1
-scipy==1.10.1
 semantic-version==2.6.0
 six==1.16.0
 toml==0.10.2
diff --git a/setup.py b/setup.py
index 77d1a75..3137f28 100644
--- a/setup.py
+++ b/setup.py
@@ -59,9 +59,9 @@
     "Programming Language :: Python",
     # Make sure to specify here the versions of Python supported
     "Programming Language :: Python :: 3",
-    "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
+    "Programming Language :: Python :: 3.12",
     "Programming Language :: Python :: 3 :: Only",
     "Topic :: Scientific/Engineering :: Physics",
 ]