diff --git a/CHANGELOG.md b/CHANGELOG.md
index acac314..ba792ea 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -11,6 +11,8 @@ format follows [Keep a Changelog](https://keepachangelog.com/en/1.1.0/).
   `kernels/_build.py`, `kernels/_metal.py` and `kernels/compile.py` are gone, and the build
   cache is still `MPIFIELD_KERNEL_CACHE`. `shared_memory_fits` is
   `xp.cuda.shared_memory_fits`; the catalog no longer exports it.
+- Needs `cunumpy>=0.7.2`, the first release with `KernelPackage` (was `>=0.7`, with which
+  `import mpifield` failed on cunumpy 0.7.0 and 0.7.1).
 
 ### Added
 
diff --git a/pyproject.toml b/pyproject.toml
index c09c60a..bc6a3e0 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -23,7 +23,7 @@ classifiers = [
 # PyPI rejects direct references (name @ git+...), so only version ranges go here; the
 # max-models packages come from their devel branches through [tool.uv.sources]
 dependencies = [
-  "cunumpy>=0.7",
+  "cunumpy>=0.7.2",
   # MPI only under an MPI launcher (mpirun, srun); a serial stand-in for mpi4py otherwise
   "maybempi>=0.1.2",
   "mpiarray>=0.2.1",