diff --git a/examples/flow_field_3d/environment_gpu.yml b/examples/flow_field_3d/environment_gpu.yml
index a35a5b1..f4e6f32 100644
--- a/examples/flow_field_3d/environment_gpu.yml
+++ b/examples/flow_field_3d/environment_gpu.yml
@@ -9,13 +9,13 @@ channels:
 dependencies:
   - coin-or-cbc
   - cucim
-  - cupy
+  - cupy!=13.0.*
   - gurobi
   - jupyter
+  - napari
   - pip
   - pyqt
   - pytorch
   - pytorch-cuda
   - pip:
-    - napari==0.4.18
     - traccuracy
diff --git a/examples/micro_sam/environment_gpu.yml b/examples/micro_sam/environment_gpu.yml
index 6f4c177..4d30826 100644
--- a/examples/micro_sam/environment_gpu.yml
+++ b/examples/micro_sam/environment_gpu.yml
@@ -9,7 +9,7 @@ channels:
 dependencies:
   - coin-or-cbc
   - cucim
-  - cupy
+  - cupy!=13.0.*
   - gurobi
   - jupyter
   - pip
diff --git a/examples/multi_color_ensemble/environment_gpu.yml b/examples/multi_color_ensemble/environment_gpu.yml
index 587bcdb..9ec8595 100644
--- a/examples/multi_color_ensemble/environment_gpu.yml
+++ b/examples/multi_color_ensemble/environment_gpu.yml
@@ -8,7 +8,7 @@ dependencies:
   - cellpose
   - coin-or-cbc
   - cucim
-  - cupy
+  - cupy!=13.0.*
   - gurobi
   - jupyter
   - pip
diff --git a/examples/neuromast_plantseg/environment_gpu.yml b/examples/neuromast_plantseg/environment_gpu.yml
index 929bd71..1c68ba5 100644
--- a/examples/neuromast_plantseg/environment_gpu.yml
+++ b/examples/neuromast_plantseg/environment_gpu.yml
@@ -9,7 +9,7 @@ channels:
 dependencies:
   - coin-or-cbc
   - cucim
-  - cupy
+  - cupy!=13.0.*
   - gurobi
   - jupyter
   - pyqt
diff --git a/examples/stardist_2d/environment_gpu.yml b/examples/stardist_2d/environment_gpu.yml
index e6a4bc6..4b8d0a0 100644
--- a/examples/stardist_2d/environment_gpu.yml
+++ b/examples/stardist_2d/environment_gpu.yml
@@ -10,7 +10,7 @@ dependencies:
   - conda-forge::cudatoolkit=11.2
   - conda-forge::cudnn=8.4.1
   - conda-forge::tensorflow-gpu=2.11.0
-  - conda-forge::cupy
+  - conda-forge::cupy!=13.0.*
   - coin-or-cbc
   - gurobi
   - jupyter
diff --git a/examples/zebrahub/environment_gpu.yml b/examples/zebrahub/environment_gpu.yml
index 1782083..e4e4d19 100644
--- a/examples/zebrahub/environment_gpu.yml
+++ b/examples/zebrahub/environment_gpu.yml
@@ -7,7 +7,7 @@ channels:
 dependencies:
   - coin-or-cbc
   - cucim
-  - cupy
+  - cupy!=13.0.*
   - gurobi
   - jupyter
   - pip