diff --git a/ci/matrix.yaml b/ci/matrix.yaml
index 1bbb4c929a4..f3f5297a045 100644
--- a/ci/matrix.yaml
+++ b/ci/matrix.yaml
@@ -65,8 +65,8 @@ workflows:
     - {jobs: ['test'], project: 'cccl_c_stf', ctk: '12.X', cxx: 'gcc13', gpu: ['rtx2080']}
     - {jobs: ['test'], project: 'cccl_c_stf', ctk: '13.X', cxx: 'gcc13', gpu: ['rtx2080', 'l4', 'h100']}
     # Python -- pinned to gcc13 on Linux for consistency across CTK images
-    - {jobs: ['test'], project: 'python', ctk: ['12.0',                 '13.X'], py_version: ['3.10'], gpu: 'l4', cxx: ['gcc13', 'msvc']}
-    - {jobs: ['test'], project: 'python', ctk: ['12.0', '12.X', '13.0', '13.X'], py_version: ['3.13'], gpu: 'l4', cxx: ['gcc13', 'msvc']}
+    - {jobs: ['test'], project: 'python', ctk: ['12.X',        '13.X'], py_version: ['3.10'], gpu: 'l4', cxx: ['gcc13', 'msvc']}
+    - {jobs: ['test'], project: 'python', ctk: ['12.X','13.0', '13.X'], py_version: ['3.13'], gpu: 'l4', cxx: ['gcc13', 'msvc']}
     - {jobs: ['test'], project: 'python', py_version: '3.13', gpu: 'h100', cxx: 'gcc13'}
     # CCCL packaging:
     - {jobs: ['test'], project: 'packaging', ctk: '12.0', cxx: ['gcc10', 'clang14'], gpu: 'rtx2080', args: '-min-cmake'}
@@ -186,7 +186,7 @@ workflows:
     - {jobs: ['test'],  project: ['cccl_c_stf'], ctk: '12.X', cxx: 'gcc13', gpu: ['rtx2080']}
     - {jobs: ['test'],  project: ['cccl_c_stf'], ctk: '13.X', cxx: 'gcc13', gpu: ['rtx2080', 'l4', 'h100']}
     # Python -- pinned to gcc13 on Linux for consistency across CTK images
-    - {jobs: ['test'], project: 'python', ctk: ['12.0', '12.X', '13.0', '13.X'], py_version: ['3.10', '3.11', '3.12', '3.13'], gpu: 'l4', cxx: ['gcc13', 'msvc']}
+    - {jobs: ['test'], project: 'python', ctk: ['12.X', '13.0', '13.X'], py_version: ['3.10', '3.11', '3.12', '3.13'], gpu: 'l4', cxx: ['gcc13', 'msvc']}
     - {jobs: ['test'], project: 'python', ctk: ['12.X', '13.X'], py_version: '3.13', gpu: 'h100', cxx: 'gcc13'}
     # CCCL packaging:
     - {jobs: ['test'], project: 'packaging', ctk: '12.0', cxx: ['gcc10', 'clang14'], gpu: 'rtx2080', args: '-min-cmake'}
@@ -271,7 +271,7 @@ workflows:
     - {jobs: ['test'],  project: ['cccl_c_stf'], ctk: '12.X', cxx: 'gcc13', gpu: ['rtx2080']}
     - {jobs: ['test'],  project: ['cccl_c_stf'], ctk: '13.X', cxx: 'gcc13', gpu: ['rtx2080', 'l4', 'h100']}
     # Python -- pinned to gcc13 for consistency across CTK images
-    - {jobs: ['test'], project: 'python', ctk: ['12.0', '12.X', '13.0', '13.X'], py_version: ['3.10', '3.11', '3.12', '3.13'], gpu: 'l4', cxx: ['gcc13', 'msvc']}
+    - {jobs: ['test'], project: 'python', ctk: ['12.X', '13.0', '13.X'], py_version: ['3.10', '3.11', '3.12', '3.13'], gpu: 'l4', cxx: ['gcc13', 'msvc']}
     - {jobs: ['test'], project: 'python', ctk: ['12.X', '13.X'], py_version: '3.13', gpu: 'h100', cxx: ['gcc13', 'msvc']}
     # CCCL packaging:
     - {jobs: ['test'], project: 'packaging', ctk: '12.0', cxx: ['gcc10', 'clang14'], gpu: 'rtx2080', args: '-min-cmake'}
@@ -293,7 +293,7 @@ workflows:
     - {jobs: ['compute_sanitizer'], project: 'cub', std: 'max', gpu: 'rtxa6000', sm: 'gpu', cmake_options: '-DCMAKE_CUDA_FLAGS=-lineinfo'}
 
   python-wheels:
-    - {jobs: ['test'], project: 'python', ctk: ['12.0', '12.X', '13.0', '13.X'], py_version: ['3.10', '3.11', '3.12', '3.13'], gpu: 'l4', cxx: ['gcc13', 'msvc']}
+    - {jobs: ['test'], project: 'python', ctk: ['12.X', '13.0', '13.X'], py_version: ['3.10', '3.11', '3.12', '3.13'], gpu: 'l4', cxx: ['gcc13', 'msvc']}
     - {jobs: ['test'], project: 'python', ctk: ['12.X', '13.X'], py_version: '3.13', gpu: 'h100', cxx: ['gcc13', 'msvc']}
     - {jobs: ['test'], project: 'python', cpu: 'arm64', ctk: ['12.X', '13.X'], py_version: ['3.10', '3.11', '3.12', '3.13'], gpu: 'l4', cxx: 'gcc13'}
 
diff --git a/python/cuda_cccl/pyproject.toml b/python/cuda_cccl/pyproject.toml
index afb8cf34771..7af09a7ce08 100644
--- a/python/cuda_cccl/pyproject.toml
+++ b/python/cuda_cccl/pyproject.toml
@@ -54,14 +54,14 @@ test-cu12 = [
   "cuda-cccl[cu12]",
   "pytest",
   "pytest-xdist",
-  "cupy-cuda12x<14.0.0",
+  "cupy-cuda12x",
   "pytest-benchmark",
 ]
 test-cu13 = [
   "cuda-cccl[cu13]",
   "pytest",
   "pytest-xdist",
-  "cupy-cuda13x<14.0.0",
+  "cupy-cuda13x",
   "pytest-benchmark",
 ]
 bench-cu12 = ["cuda-cccl[cu12]", "cuda-bench[cu12]"]