diff --git a/cuda12.6/DESCRIPTION b/cuda12.6/DESCRIPTION
index c07f372..d26c8e9 100644
--- a/cuda12.6/DESCRIPTION
+++ b/cuda12.6/DESCRIPTION
@@ -7,6 +7,7 @@ Description: Provides CUDA 12.6 native libraries (runtime, cuBLAS, cuDNN, cuFFT,
     cuSOLVER, cuSPARSE, CUPTI, NVRTC, NvJitLink, NCCL, NVSHMEM, and NVCC) by
     downloading pre-built binaries from PyPI at install time. Intended to be used
     as a dependency by packages that require CUDA 12.6.
+SystemRequirements: Linux or Windows; not supported on macOS.
 License: MIT + file LICENSE
 URL: https://github.com/mlverse/cudatoolkit
 BugReports: https://github.com/mlverse/cudatoolkit/issues
diff --git a/cuda12.8/DESCRIPTION b/cuda12.8/DESCRIPTION
index 675f166..4f7b71a 100644
--- a/cuda12.8/DESCRIPTION
+++ b/cuda12.8/DESCRIPTION
@@ -7,6 +7,7 @@ Description: Provides CUDA 12.8 native libraries (runtime, cuBLAS, cuDNN, cuFFT,
     cuSOLVER, cuSPARSE, CUPTI, NVRTC, NvJitLink, NCCL, NVSHMEM, and NVCC) by
     downloading pre-built binaries from PyPI at install time. Intended to be used
     as a dependency by packages that require CUDA 12.8.
+SystemRequirements: Linux or Windows; not supported on macOS.
 License: MIT + file LICENSE
 URL: https://github.com/mlverse/cudatoolkit
 BugReports: https://github.com/mlverse/cudatoolkit/issues
diff --git a/cuda12.9/DESCRIPTION b/cuda12.9/DESCRIPTION
index 76b16f2..5797004 100644
--- a/cuda12.9/DESCRIPTION
+++ b/cuda12.9/DESCRIPTION
@@ -7,6 +7,7 @@ Description: Provides CUDA 12.9 native libraries (runtime, cuBLAS, cuDNN, cuFFT,
     cuSOLVER, cuSPARSE, CUPTI, NVRTC, NvJitLink, NCCL, NVSHMEM, and NVCC) by
     downloading pre-built binaries from PyPI at install time. Intended to be used
     as a dependency by packages that require CUDA 12.9.
+SystemRequirements: Linux or Windows; not supported on macOS.
 License: MIT + file LICENSE
 URL: https://github.com/mlverse/cudatoolkit
 BugReports: https://github.com/mlverse/cudatoolkit/issues
diff --git a/cuda13.2/DESCRIPTION b/cuda13.2/DESCRIPTION
index 0732b5a..7b61596 100644
--- a/cuda13.2/DESCRIPTION
+++ b/cuda13.2/DESCRIPTION
@@ -7,6 +7,7 @@ Description: Provides CUDA 13.2 native libraries (runtime, cuBLAS, cuDNN, cuFFT,
     cuSOLVER, cuSPARSE, CUPTI, NVRTC, NvJitLink, NCCL, NVSHMEM, and NVCC) by
     downloading pre-built binaries from PyPI at install time. Intended to be used
     as a dependency by packages that require CUDA 13.2.
+SystemRequirements: Linux or Windows; not supported on macOS.
 License: MIT + file LICENSE
 URL: https://github.com/mlverse/cudatoolkit
 BugReports: https://github.com/mlverse/cudatoolkit/issues
diff --git a/shared/DESCRIPTION.template b/shared/DESCRIPTION.template
index 1da9c20..0636b00 100644
--- a/shared/DESCRIPTION.template
+++ b/shared/DESCRIPTION.template
@@ -7,6 +7,7 @@ Description: Provides CUDA {{CUDA_MINOR}} native libraries (runtime, cuBLAS, cuD
     cuSOLVER, cuSPARSE, CUPTI, NVRTC, NvJitLink, NCCL, NVSHMEM, and NVCC) by
     downloading pre-built binaries from PyPI at install time. Intended to be used
     as a dependency by packages that require CUDA {{CUDA_MINOR}}.
+SystemRequirements: Linux or Windows; not supported on macOS.
 License: MIT + file LICENSE
 URL: https://github.com/mlverse/cudatoolkit
 BugReports: https://github.com/mlverse/cudatoolkit/issues