diff --git a/nlmod/util.py b/nlmod/util.py
index 914d7199..7699b3f2 100644
--- a/nlmod/util.py
+++ b/nlmod/util.py
@@ -409,6 +409,17 @@ def download_mfbinaries(bindir=None, version_tag="latest", repo="executables"):
 
     get_modflow(bindir=str(bindir), release_id=version_tag, repo=repo)
 
+    # Ensure metadata is saved.
+    # https://github.com/modflowpy/flopy/blob/
+    # 0748dcb9e4641b5ad9616af115dd3be906f98f50/flopy/utils/get_modflow.py#L623
+    flopy_metadata_fp = flopy_appdata_path / "get_modflow.json"
+    if not flopy_metadata_fp.exists():
+        meta = get_release(tag=version_tag, repo=repo, quiet=True)
+        meta["bindir"] = str(bindir)
+
+        with open(flopy_metadata_fp, "w") as f:
+            json.dump([meta], f, indent=4)
+
     # download the provisional version of modpath from Github
     download_modpath_provisional_exe(bindir=bindir, timeout=120)