diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 7333d8890..638305ff9 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -11,7 +11,7 @@ repos:
     hooks:
     -   id: trailing-whitespace
 -   repo: https://github.com/psf/black
-    rev: 23.12.1
+    rev: 24.1.1
     hooks:
     -   id: black
 -   repo: https://github.com/cheshirekow/cmake-format-precommit
diff --git a/bindings/python/proxsuite/torch/qplayer.py b/bindings/python/proxsuite/torch/qplayer.py
index 52d9fbda6..ae4e26a5d 100644
--- a/bindings/python/proxsuite/torch/qplayer.py
+++ b/bindings/python/proxsuite/torch/qplayer.py
@@ -414,9 +414,9 @@ def backward(ctx, dl_dzhat, dl_dlams, dl_dnus, dl_ds_e, dl_ds_i):
                 if neq > 0:
                     kkt[:dim, dim : dim + n_eq] = A_i.transpose()
                     kkt[dim : dim + n_eq, :dim] = A_i
-                    kkt[
-                        dim + n_eq + n_in : dim + 2 * n_eq + n_in, dim : dim + n_eq
-                    ] = -np.eye(n_eq)
+                    kkt[dim + n_eq + n_in : dim + 2 * n_eq + n_in, dim : dim + n_eq] = (
+                        -np.eye(n_eq)
+                    )
                     kkt[
                         dim + n_eq + n_in : dim + 2 * n_eq + n_in,
                         dim + n_eq + 2 * n_in : 2 * dim + n_eq + 2 * n_in,
@@ -444,9 +444,9 @@ def backward(ctx, dl_dzhat, dl_dlams, dl_dnus, dl_ds_e, dl_ds_i):
                 dim_ = 0
                 if n_eq > 0:
                     dim_ += dim
-                kkt[
-                    dim + 2 * n_eq + n_in :, dim + n_eq + 2 * n_in + dim_ :
-                ] = np.multiply(np.diag(D_2_c)[:, None], C_i)
+                kkt[dim + 2 * n_eq + n_in :, dim + n_eq + 2 * n_in + dim_ :] = (
+                    np.multiply(np.diag(D_2_c)[:, None], C_i)
+                )
 
                 rhs = np.zeros(kkt.shape[0])
                 rhs[:dim] = -dl_dzhat[i]