diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 4245841f..a2500823 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -9,25 +9,25 @@ ci:
     skip: []
 repos:
     - repo: https://github.com/psf/black
-      rev: 23.3.0
+      rev: 23.7.0
       hooks:
           - id: black
     - repo: https://github.com/pre-commit/mirrors-prettier
-      rev: v3.0.0-alpha.9-for-vscode
+      rev: v3.0.1
       hooks:
           - id: prettier
     - repo: https://github.com/asottile/blacken-docs
-      rev: 1.13.0
+      rev: 1.15.0
       hooks:
           - id: blacken-docs
     - repo: https://github.com/pre-commit/mirrors-mypy
-      rev: v1.3.0
+      rev: v1.5.0
       hooks:
           - id: mypy
             additional_dependencies: [numpy, types-requests]
             exclude: tests/|docs/
-    - repo: https://github.com/charliermarsh/ruff-pre-commit
-      rev: v0.0.272
+    - repo: https://github.com/astral-sh/ruff-pre-commit
+      rev: v0.0.284
       hooks:
           - id: ruff
             args: [--fix, --exit-non-zero-on-fix]
diff --git a/src/spatialdata_plot/pl/utils.py b/src/spatialdata_plot/pl/utils.py
index 66aeb8f0..cf391c1d 100644
--- a/src/spatialdata_plot/pl/utils.py
+++ b/src/spatialdata_plot/pl/utils.py
@@ -797,8 +797,7 @@ def _map_color_seg(
 
     if seg_boundaries:
         seg_bound: ArrayLike = np.clip(seg_im - find_boundaries(seg)[:, :, None], 0, 1)
-        seg_bound = np.dstack((seg_bound, np.where(val_im > 0, 1, 0)))  # add transparency here
-        return seg_bound
+        return np.dstack((seg_bound, np.where(val_im > 0, 1, 0)))  # add transparency here
 
     return np.dstack((seg_im, np.where(val_im > 0, 1, 0)))