diff --git a/simapp/go.mod b/simapp/go.mod
index 4f44663c4f..798ac07427 100644
--- a/simapp/go.mod
+++ b/simapp/go.mod
@@ -70,7 +70,7 @@ require (
 	github.com/cosmos/ics23/go v0.10.0 // indirect
 	github.com/cosmos/ledger-cosmos-go v0.13.0 // indirect
 	github.com/cosmos/rosetta-sdk-go v0.10.0 // indirect
-	github.com/creachadair/atomicfile v0.3.0 // indirect
+	github.com/creachadair/atomicfile v0.3.1 // indirect
 	github.com/creachadair/tomledit v0.0.24 // indirect
 	github.com/danieljoos/wincred v1.1.2 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
diff --git a/simapp/go.sum b/simapp/go.sum
index 3b2acdc2d3..5909622964 100644
--- a/simapp/go.sum
+++ b/simapp/go.sum
@@ -362,8 +362,8 @@ github.com/cosmos/rosetta-sdk-go v0.10.0/go.mod h1:SImAZkb96YbwvoRkzSMQB6noNJXFg
 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 v2.0.2/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o=
-github.com/creachadair/atomicfile v0.3.0 h1:4HvescJCWkiLOqHkhtCeNAY4+8DVyYkQgwBDyAAvDWI=
-github.com/creachadair/atomicfile v0.3.0/go.mod h1:mwfrkRxFKwpNAflYZzytbSwxvbK6fdGRRlp0KEQc0qU=
+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/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=
diff --git a/tools/confix/go.mod b/tools/confix/go.mod
index 09456e1514..e0bd738840 100644
--- a/tools/confix/go.mod
+++ b/tools/confix/go.mod
@@ -4,7 +4,7 @@ go 1.20
 
 require (
 	github.com/cosmos/cosmos-sdk v0.46.0-beta2.0.20230524212735-6cabb6aa5741
-	github.com/creachadair/atomicfile v0.3.0
+	github.com/creachadair/atomicfile v0.3.1
 	github.com/creachadair/tomledit v0.0.24
 	github.com/spf13/cobra v1.7.0
 	github.com/spf13/viper v1.15.0
diff --git a/tools/confix/go.sum b/tools/confix/go.sum
index 0c46cf4600..149d7a13a2 100644
--- a/tools/confix/go.sum
+++ b/tools/confix/go.sum
@@ -195,8 +195,8 @@ github.com/cosmos/ledger-cosmos-go v0.13.0/go.mod h1:ZcqYgnfNJ6lAXe4HPtWgarNEY+B
 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 v2.0.2/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o=
-github.com/creachadair/atomicfile v0.3.0 h1:4HvescJCWkiLOqHkhtCeNAY4+8DVyYkQgwBDyAAvDWI=
-github.com/creachadair/atomicfile v0.3.0/go.mod h1:mwfrkRxFKwpNAflYZzytbSwxvbK6fdGRRlp0KEQc0qU=
+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/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=