diff --git a/.github/azure-steps.yml b/.github/azure-steps.yml
index 750e096d0..d536f2eb8 100644
--- a/.github/azure-steps.yml
+++ b/.github/azure-steps.yml
@@ -41,7 +41,7 @@ steps:
     displayName: "Install test requirements"
 
   - script: |
-      ${{ parameters.prefix }} python -m pip install -U cupy-cuda110
+      ${{ parameters.prefix }} python -m pip install -U cupy-cuda110 -f https://github.com/cupy/cupy/releases/v9.0.0
       ${{ parameters.prefix }} python -m pip install "torch==1.7.1+cu110" -f https://download.pytorch.org/whl/torch_stable.html
     displayName: "Install GPU requirements"
     condition: eq(${{ parameters.gpu }}, true)
diff --git a/setup.cfg b/setup.cfg
index 2fedd8f5c..63d603a9c 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -71,27 +71,27 @@ transformers =
 ray =
     spacy_ray>=0.1.0,<1.0.0
 cuda =
-    cupy>=5.0.0b4,<9.0.0
+    cupy>=5.0.0b4,<10.0.0
 cuda80 =
-    cupy-cuda80>=5.0.0b4,<9.0.0
+    cupy-cuda80>=5.0.0b4,<10.0.0
 cuda90 =
-    cupy-cuda90>=5.0.0b4,<9.0.0
+    cupy-cuda90>=5.0.0b4,<10.0.0
 cuda91 =
-    cupy-cuda91>=5.0.0b4,<9.0.0
+    cupy-cuda91>=5.0.0b4,<10.0.0
 cuda92 =
-    cupy-cuda92>=5.0.0b4,<9.0.0
+    cupy-cuda92>=5.0.0b4,<10.0.0
 cuda100 =
-    cupy-cuda100>=5.0.0b4,<9.0.0
+    cupy-cuda100>=5.0.0b4,<10.0.0
 cuda101 =
-    cupy-cuda101>=5.0.0b4,<9.0.0
+    cupy-cuda101>=5.0.0b4,<10.0.0
 cuda102 =
-    cupy-cuda102>=5.0.0b4,<9.0.0
+    cupy-cuda102>=5.0.0b4,<10.0.0
 cuda110 =
-    cupy-cuda110>=5.0.0b4,<9.0.0
+    cupy-cuda110>=5.0.0b4,<10.0.0
 cuda111 =
-    cupy-cuda111>=5.0.0b4,<9.0.0
+    cupy-cuda111>=5.0.0b4,<10.0.0
 cuda112 =
-    cupy-cuda112>=5.0.0b4,<9.0.0
+    cupy-cuda112>=5.0.0b4,<10.0.0
 # Language tokenizers with external dependencies
 ja =
     sudachipy>=0.4.9