diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index f2e0e804..41ae2581 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -8,7 +8,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        python-version: [3.8, 3.9, 3.10]
+        python-version: ["3.8", "3.9", "3.10", "3.11"]
         os: [ubuntu-latest, macos-latest, windows-latest]
 
     steps:
diff --git a/tests/test_utils/test_convolution.py b/tests/test_utils/test_convolution.py
index 8ca921fd..b3503ea6 100644
--- a/tests/test_utils/test_convolution.py
+++ b/tests/test_utils/test_convolution.py
@@ -6,7 +6,7 @@
 from spektral.utils import convolution
 
 g = nx.generators.erdos_renyi_graph(10, 0.2)
-adj_sp = nx.adj_matrix(g).astype("f")
+adj_sp = nx.adjacenct_matrix(g).astype("f")
 adj = adj_sp.A.astype("f")
 degree = np.diag([d[1] for d in nx.degree(g)])
 tol = 1e-6