diff --git a/go.mod b/go.mod
index 5fd0f51..80f91d7 100644
--- a/go.mod
+++ b/go.mod
@@ -6,6 +6,6 @@ toolchain go1.21.2
 
 require github.com/google/go-cmp v0.6.0
 
-require github.com/creachadair/mds v0.13.4
+require github.com/creachadair/mds v0.14.3
 
 require github.com/creachadair/wirepb v0.0.0-20240308033959-6f4bf728f592
diff --git a/go.sum b/go.sum
index d20b575..5d4d83e 100644
--- a/go.sum
+++ b/go.sum
@@ -1,5 +1,5 @@
-github.com/creachadair/mds v0.13.4 h1:RgU0MhiVqkzp6/xtNWhK6Pw7tDeaVuGFtA0UA2RBYvY=
-github.com/creachadair/mds v0.13.4/go.mod h1:4vrFYUzTXMJpMBU+OA292I6IUxKWCCfZkgXg+/kBZMo=
+github.com/creachadair/mds v0.14.3 h1:yb5rf+OJJcKptGyBU/1oSRs/ybJmKKB4HTNWF8g4emc=
+github.com/creachadair/mds v0.14.3/go.mod h1:4vrFYUzTXMJpMBU+OA292I6IUxKWCCfZkgXg+/kBZMo=
 github.com/creachadair/wirepb v0.0.0-20240308033959-6f4bf728f592 h1:mB7dNt7X++fm12gIccwPKuVQwLXXR/3ZvRfpAyu0Orw=
 github.com/creachadair/wirepb v0.0.0-20240308033959-6f4bf728f592/go.mod h1:zSgIpUoQVydrhZNTjEHd+cvN27FJfrGSrwZM3/MkzaU=
 github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=