diff --git a/tools/confix/go.mod b/tools/confix/go.mod
index 8ac949c83f4a..44da9029dab1 100644
--- a/tools/confix/go.mod
+++ b/tools/confix/go.mod
@@ -4,7 +4,7 @@ go 1.21
 
 require (
 	github.com/cosmos/cosmos-sdk v0.50.6
-	github.com/creachadair/atomicfile v0.3.1
+	github.com/creachadair/atomicfile v0.3.5
 	github.com/creachadair/tomledit v0.0.24
 	github.com/pelletier/go-toml/v2 v2.1.0
 	github.com/spf13/cobra v1.8.0
diff --git a/tools/confix/go.sum b/tools/confix/go.sum
index cc3c2a21414c..c5f6ca02f9ec 100644
--- a/tools/confix/go.sum
+++ b/tools/confix/go.sum
@@ -161,8 +161,10 @@ github.com/cosmos/ledger-cosmos-go v0.13.3/go.mod h1:HENcEP+VtahZFw38HZ3+LS3Iv5X
 github.com/cpuguy83/go-md2man v1.0.10/go.mod h1:SmD6nW6nTyfqj6ABTjUi3V3JVMnlJmwcJI5acqYI6dE=
 github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
 github.com/cpuguy83/go-md2man/v2 v2.0.3/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o=
-github.com/creachadair/atomicfile v0.3.1 h1:yQORkHjSYySh/tv5th1dkKcn02NEW5JleB84sjt+W4Q=
-github.com/creachadair/atomicfile v0.3.1/go.mod h1:mwfrkRxFKwpNAflYZzytbSwxvbK6fdGRRlp0KEQc0qU=
+github.com/creachadair/atomicfile v0.3.5 h1:i93bxeaH/rQR6XfJslola3XkOM1nEP3eIexuk9SWcSc=
+github.com/creachadair/atomicfile v0.3.5/go.mod h1:m7kIY2OUMygtETnMYe141rubsG4b+EusFLinlxxdHYM=
+github.com/creachadair/mds v0.16.0 h1:v6DlvKXClowXFg4hkjLCR1FEFiREMf0qgX+Lm5GsEKk=
+github.com/creachadair/mds v0.16.0/go.mod h1:4vrFYUzTXMJpMBU+OA292I6IUxKWCCfZkgXg+/kBZMo=
 github.com/creachadair/tomledit v0.0.24 h1:5Xjr25R2esu1rKCbQEmjZYlrhFkDspoAbAKb6QKQDhQ=
 github.com/creachadair/tomledit v0.0.24/go.mod h1:9qHbShRWQzSCcn617cMzg4eab1vbLCOjOshAWSzWr8U=
 github.com/creack/pty v1.1.7/go.mod h1:lj5s0c3V2DBrqTV7llrYr5NG6My20zk30Fl46Y7DoTY=