diff --git a/.github/workflows/pythonapp.yml b/.github/workflows/pythonapp.yml
index bcce1e395e..92a838d0a9 100644
--- a/.github/workflows/pythonapp.yml
+++ b/.github/workflows/pythonapp.yml
@@ -271,6 +271,10 @@ jobs:
         python get-pip.py && \
         rm get-pip.py;
         fi
+    - if: matrix.environment == "PT18+CUDA112"
+      name: Add CuPy dependency to the latest CUDA environment
+      run: |
+        echo "cupy-cuda112" >> requirements-dev.txt
     - name: Install dependencies
       run: |
         which python
diff --git a/requirements-dev.txt b/requirements-dev.txt
index 268dfb87d7..9e03935242 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -32,3 +32,4 @@ sphinx-autodoc-typehints==1.11.1
 sphinx-rtd-theme==0.5.2
 cucim~=0.19.0; platform_system == "Linux"
 openslide-python==1.1.2
+cupy==8.6.0