diff --git a/samples/python/04_julia/julia.ipynb b/samples/python/04_julia/julia.ipynb
index 50d40f8b..a544ce89 100644
--- a/samples/python/04_julia/julia.ipynb
+++ b/samples/python/04_julia/julia.ipynb
@@ -293,7 +293,7 @@
     "                                              cl.map_flags.READ, \n",
     "                                              0, width * height, np.uint32)\n",
     "    with mapped_dst.base:\n",
-    "        (r, g, b, a) = Image.fromarray(mapped_dst.reshape((width, height)), 'RGBA').split()\n",
+    "        (r, g, b, a) = Image.fromarray(mapped_dst.view(np.uint8).reshape((height, width, 4))).split()\n",
     "        image = Image.merge('RGB', (r, g, b))"
    ]
   },
diff --git a/samples/python/04_julia/julia.py b/samples/python/04_julia/julia.py
index 8fa03214..ca462074 100644
--- a/samples/python/04_julia/julia.py
+++ b/samples/python/04_julia/julia.py
@@ -135,7 +135,7 @@
                                               0, gwx * gwy, np.uint32)
     with mapped_dst.base:
         # note: this generates a 24-bit .bmp file instead of a 32-bit .bmp file!
-        (r, g, b, a) = Image.fromarray(mapped_dst.reshape((gwy, gwx)), 'RGBA').split()
+        (r, g, b, a) = Image.fromarray(mapped_dst.view(np.uint8).reshape((gwy, gwx, 4))).split()
         image = Image.merge('RGB', (r, g, b))
         image.save(filename)
         print('Wrote image file {}'.format(filename))
diff --git a/samples/python/requirements.txt b/samples/python/requirements.txt
index efd73ed2..f11d661e 100644
--- a/samples/python/requirements.txt
+++ b/samples/python/requirements.txt
@@ -1,6 +1,6 @@
-matplotlib==3.8.2
+matplotlib==3.10.9
 numpy==1.26.3
 pyopencl==2023.1.4
-pillow==12.3.0
+pillow==13.0.0
 
 jupyterlab==4.5.11