diff --git a/conda/environments/all_cuda-118_arch-x86_64.yaml b/conda/environments/all_cuda-118_arch-x86_64.yaml
index 1c67f4d4831..7c5df16eda3 100644
--- a/conda/environments/all_cuda-118_arch-x86_64.yaml
+++ b/conda/environments/all_cuda-118_arch-x86_64.yaml
@@ -56,7 +56,7 @@ dependencies:
 - ninja
 - notebook
 - numba-cuda>=0.2.0,<0.3.0
-- numba>=0.59.1,<0.61.0
+- numba>=0.59.1,<0.61.0a0
 - numpy>=1.23,<3.0a0
 - numpydoc
 - nvcc_linux-64=11.8
diff --git a/conda/environments/all_cuda-125_arch-x86_64.yaml b/conda/environments/all_cuda-125_arch-x86_64.yaml
index fcbb5dbd443..46a49f1e6b3 100644
--- a/conda/environments/all_cuda-125_arch-x86_64.yaml
+++ b/conda/environments/all_cuda-125_arch-x86_64.yaml
@@ -55,7 +55,7 @@ dependencies:
 - ninja
 - notebook
 - numba-cuda>=0.2.0,<0.3.0
-- numba>=0.59.1,<0.61.0
+- numba>=0.59.1,<0.61.0a0
 - numpy>=1.23,<3.0a0
 - numpydoc
 - nvcomp==4.1.0.6
diff --git a/dependencies.yaml b/dependencies.yaml
index b4a45583e6e..871658c518e 100644
--- a/dependencies.yaml
+++ b/dependencies.yaml
@@ -709,7 +709,7 @@ dependencies:
         packages:
           - cachetools
           - &numba-cuda-dep numba-cuda>=0.2.0,<0.3.0
-          - &numba-dep numba>=0.59.1,<0.61.0
+          - &numba-dep numba>=0.59.1,<0.61.0a0
           - nvtx>=0.2.1
           - packaging
           - rich
diff --git a/python/cudf/pyproject.toml b/python/cudf/pyproject.toml
index 9d4a7fd7383..94d9b86e9a7 100644
--- a/python/cudf/pyproject.toml
+++ b/python/cudf/pyproject.toml
@@ -25,7 +25,7 @@ dependencies = [
     "fsspec>=0.6.0",
     "libcudf==25.2.*,>=0.0.0a0",
     "numba-cuda>=0.2.0,<0.3.0",
-    "numba>=0.59.1,<0.61.0",
+    "numba>=0.59.1,<0.61.0a0",
     "numpy>=1.23,<3.0a0",
     "nvtx>=0.2.1",
     "packaging",
diff --git a/python/dask_cudf/pyproject.toml b/python/dask_cudf/pyproject.toml
index a821b2f64a1..b03928c21dd 100644
--- a/python/dask_cudf/pyproject.toml
+++ b/python/dask_cudf/pyproject.toml
@@ -48,7 +48,7 @@ cudf = "dask_cudf.backends:CudfBackendEntrypoint"
 test = [
     "dask-cuda==25.2.*,>=0.0.0a0",
     "numba-cuda>=0.2.0,<0.3.0",
-    "numba>=0.59.1,<0.61.0",
+    "numba>=0.59.1,<0.61.0a0",
     "pytest-cov",
     "pytest-xdist",
     "pytest<8",