diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 11caff7..6c803bc 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["3.8", "3.9", "3.10", "3.11"]
+        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
     steps:
     - uses: actions/checkout@v4
     - name: Set up Python ${{ matrix.python-version }}
diff --git a/requirements.txt b/requirements.txt
index 09a5a1b..33f0f56 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 pyzx@git+https://github.com/Quantomatic/pyzx
 matplotlib>=3.7.4
-numpy~=1.24.0  # can't go higher for python 3.8
+numpy>=1.24.0,<2  # can't go higher than 1.24.0 for python 3.8
 pylatexenc~=2.10
 pytest~=8.1.1
 qiskit~=1.0.2