diff --git a/conda/environments/all_cuda-118_arch-x86_64.yaml b/conda/environments/all_cuda-118_arch-x86_64.yaml
index 1dbc7d9979..03c84b29a7 100644
--- a/conda/environments/all_cuda-118_arch-x86_64.yaml
+++ b/conda/environments/all_cuda-118_arch-x86_64.yaml
@@ -21,7 +21,7 @@ dependencies:
 - libcufile=1.4.0.31
 - ninja
 - numcodecs <0.12.0
-- numpy>=1.23
+- numpy>=1.23,<2.0a0
 - numpydoc
 - nvcc_linux-64=11.8
 - nvcomp==3.0.6
diff --git a/conda/environments/all_cuda-122_arch-x86_64.yaml b/conda/environments/all_cuda-122_arch-x86_64.yaml
index d6225f9a5c..e1a8f31c5b 100644
--- a/conda/environments/all_cuda-122_arch-x86_64.yaml
+++ b/conda/environments/all_cuda-122_arch-x86_64.yaml
@@ -20,7 +20,7 @@ dependencies:
 - libcufile-dev
 - ninja
 - numcodecs <0.12.0
-- numpy>=1.23
+- numpy>=1.23,<2.0a0
 - numpydoc
 - nvcomp==3.0.6
 - packaging
diff --git a/conda/recipes/kvikio/meta.yaml b/conda/recipes/kvikio/meta.yaml
index b66be590f1..36f4c06bc1 100644
--- a/conda/recipes/kvikio/meta.yaml
+++ b/conda/recipes/kvikio/meta.yaml
@@ -69,7 +69,7 @@ requirements:
     - libkvikio ={{ version }}
   run:
     - python
-    - numpy >=1.23
+    - numpy >=1.23,<2.0a0
     - cupy >=12.0.0
     - zarr
     # See https://github.com/zarr-developers/numcodecs/pull/475
diff --git a/dependencies.yaml b/dependencies.yaml
index 323ede320d..1e17c924f0 100644
--- a/dependencies.yaml
+++ b/dependencies.yaml
@@ -242,7 +242,7 @@ dependencies:
     common:
       - output_types: [conda, requirements, pyproject]
         packages:
-          - numpy>=1.23
+          - numpy>=1.23,<2.0a0
           - zarr
           # See https://github.com/zarr-developers/numcodecs/pull/475
           - numcodecs <0.12.0
diff --git a/python/pyproject.toml b/python/pyproject.toml
index ee49b103ba..291b57f2c4 100644
--- a/python/pyproject.toml
+++ b/python/pyproject.toml
@@ -23,7 +23,7 @@ requires-python = ">=3.9"
 dependencies = [
     "cupy-cuda11x>=12.0.0",
     "numcodecs <0.12.0",
-    "numpy>=1.23",
+    "numpy>=1.23,<2.0a0",
     "packaging",
     "zarr",
 ] # This list was generated by `rapids-dependency-file-generator`. To make changes, edit ../dependencies.yaml and run `rapids-dependency-file-generator`.