diff --git a/go.mod b/go.mod
index 0d515fa..c5b8016 100644
--- a/go.mod
+++ b/go.mod
@@ -6,14 +6,14 @@ require (
 	github.com/aws/aws-sdk-go-v2 v1.41.6
 	github.com/aws/aws-sdk-go-v2/config v1.32.16
 	github.com/aws/aws-sdk-go-v2/service/s3 v1.99.1
-	github.com/creachadair/atomicfile v0.4.1
-	github.com/creachadair/command v0.2.2
-	github.com/creachadair/flax v0.0.5
-	github.com/creachadair/gocache v0.0.0-20260418161958-99bafa82eafe
-	github.com/creachadair/mds v0.27.1
+	github.com/creachadair/atomicfile v0.4.2
+	github.com/creachadair/command v0.2.6
+	github.com/creachadair/flax v0.0.6
+	github.com/creachadair/gocache v0.0.0-20260710224145-042386578e2a
+	github.com/creachadair/mds v0.29.2
 	github.com/creachadair/mhttp v0.0.0-20260407161248-6866af4c556b
 	github.com/creachadair/scheddle v0.0.0-20260418161627-87a4a0c853c4
-	github.com/creachadair/taskgroup v0.14.2
+	github.com/creachadair/taskgroup v0.14.4
 	github.com/creachadair/tlsutil v0.0.0-20260218173745-49b0059fedaf
 	github.com/goproxy/goproxy v0.21.0
 	golang.org/x/sync v0.19.0
diff --git a/go.sum b/go.sum
index 706e6ec..9690e5f 100644
--- a/go.sum
+++ b/go.sum
@@ -36,24 +36,24 @@ github.com/aws/aws-sdk-go-v2/service/sts v1.42.0 h1:ks8KBcZPh3PYISr5dAiXCM5/Thcu
 github.com/aws/aws-sdk-go-v2/service/sts v1.42.0/go.mod h1:pFw33T0WLvXU3rw1WBkpMlkgIn54eCB5FYLhjDc9Foo=
 github.com/aws/smithy-go v1.25.0 h1:Sz/XJ64rwuiKtB6j98nDIPyYrV1nVNJ4YU74gttcl5U=
 github.com/aws/smithy-go v1.25.0/go.mod h1:YE2RhdIuDbA5E5bTdciG9KrW3+TiEONeUWCqxX9i1Fc=
-github.com/creachadair/atomicfile v0.4.1 h1:72SopAy00u42/iL0p3CZILv51oUEem8uDbxUfnzmsXU=
-github.com/creachadair/atomicfile v0.4.1/go.mod h1:+PsFcWa9SZuK+xnykzupXErqESId5eCGsuqFWkazMQI=
-github.com/creachadair/command v0.2.2 h1:4RGsUhqFf1imFC+vMWOOCiQdncThCdcdMJp0JNCjxxc=
-github.com/creachadair/command v0.2.2/go.mod h1:Z6Zp6CSJcnaWWR4wHgdqzODnFdxFJAaa/DrcVkeUu3E=
-github.com/creachadair/flax v0.0.5 h1:zt+CRuXQASxwQ68e9GHAOnEgAU29nF0zYMHOCrL5wzE=
-github.com/creachadair/flax v0.0.5/go.mod h1:F1PML0JZLXSNDMNiRGK2yjm5f+L9QCHchyHBldFymj8=
-github.com/creachadair/gocache v0.0.0-20260418161958-99bafa82eafe h1:u136zrzzDUBqNQKPLiclaxza2spo+xtz06Mho09Vb/M=
-github.com/creachadair/gocache v0.0.0-20260418161958-99bafa82eafe/go.mod h1:wmtczGXKsjsSCKcMzEDDPofBdwXKfOM5fX0TMg1nsvU=
-github.com/creachadair/mds v0.27.1 h1:GlO1tPbrsaoafkF6mz7dFutkGXAtIfQLI450u0ypqwA=
-github.com/creachadair/mds v0.27.1/go.mod h1:dMBTCSy3iS3dwh4Rb1zxeZz2d7K8+N24GCTsayWtQRI=
+github.com/creachadair/atomicfile v0.4.2 h1:pSSsKxmUefqCTg+QgyCG2bw1KmsB76apBL4lhJjichI=
+github.com/creachadair/atomicfile v0.4.2/go.mod h1:ts9VunJluQvSXtkrl0YlDn9ckZaS+eMkBW2g20gB5II=
+github.com/creachadair/command v0.2.6 h1:+d4xUSZza5nqRVVsVRf5jDbix/0uKxVqFrc30F4uyRI=
+github.com/creachadair/command v0.2.6/go.mod h1:HWvS3zEpVakKlNXxT/j1U8tNoDaY7By7ORYQ+m1ha2U=
+github.com/creachadair/flax v0.0.6 h1:IFUdRdfKynNTyR5SRlrHMUGnxxMZZen8RVpwcDq/ftk=
+github.com/creachadair/flax v0.0.6/go.mod h1:F1PML0JZLXSNDMNiRGK2yjm5f+L9QCHchyHBldFymj8=
+github.com/creachadair/gocache v0.0.0-20260710224145-042386578e2a h1:cYAmYaIvlHjbnpM2DmH+kNaOC3qYQcpg8iYXNaMrcMg=
+github.com/creachadair/gocache v0.0.0-20260710224145-042386578e2a/go.mod h1:f7A5Y4U3AWm53Dh6diUnOxDRBfuFNLqusf07sLd6cc4=
+github.com/creachadair/mds v0.29.2 h1:1IBhfyolZUCA53twI1hXembOdpIe4bJ4OGJELBbGrN4=
+github.com/creachadair/mds v0.29.2/go.mod h1:dMBTCSy3iS3dwh4Rb1zxeZz2d7K8+N24GCTsayWtQRI=
 github.com/creachadair/mhttp v0.0.0-20260407161248-6866af4c556b h1:bIvrALyE2ixkCvz9LADfOIuhkUMYWMBsvQ29xe70nI0=
 github.com/creachadair/mhttp v0.0.0-20260407161248-6866af4c556b/go.mod h1:eV+igunEfCBbgpM0gkDK/25/ukdeNYXH9PZuuEWZTDo=
 github.com/creachadair/msync v0.8.1 h1:QRd8si3qZ2Q4TaDL7tS/MG/lFE3YND7U7J9fy42eAFM=
 github.com/creachadair/msync v0.8.1/go.mod h1:dt0bscS09J8Ie3AdccK9JpCb7LfStaDGlAmDLukOlY4=
 github.com/creachadair/scheddle v0.0.0-20260418161627-87a4a0c853c4 h1:uYu6k39F6Sz4Y5Zb+R2ZnhE1S5ehCw4lknwrt4bm7NI=
 github.com/creachadair/scheddle v0.0.0-20260418161627-87a4a0c853c4/go.mod h1:PE4owEX+08lTR1VNomiSFFh6DzkmmzlBgysEOq8zwdI=
-github.com/creachadair/taskgroup v0.14.2 h1:vPHw50VFJ98Eb+h3S1RYRejK3DE0xpGCXb2ZFtHfFeA=
-github.com/creachadair/taskgroup v0.14.2/go.mod h1:FV5K1BzHUCnTVc04O1WLO+iLmvjfOTnYLTcZaC9ZxbM=
+github.com/creachadair/taskgroup v0.14.4 h1:ttR8StLWmYA1O6x96YlTpQLXjKyRpO4RBo+OcO6W6C0=
+github.com/creachadair/taskgroup v0.14.4/go.mod h1:uhCtIEsa7zpeMAFixddhCYjbJi7e4JMyU7OXUygkSsg=
 github.com/creachadair/tlsutil v0.0.0-20260218173745-49b0059fedaf h1:6ZqacBCoIdOSlwh03zr3TMqA5VyuFpzUS7E2yzfjq7w=
 github.com/creachadair/tlsutil v0.0.0-20260218173745-49b0059fedaf/go.mod h1:YUng4wUBh60nfswe0FwLeBOpoIsrW6ReXt9Zr9k55Sg=
 github.com/fortytw2/leaktest v1.3.0 h1:u8491cBMTQ8ft8aeV+adlcytMZylmA5nnwwkRZjI8vw=