diff --git a/config/reader/json/json.go b/config/reader/json/json.go
index 82406559d1..09afa3a002 100644
--- a/config/reader/json/json.go
+++ b/config/reader/json/json.go
@@ -4,7 +4,7 @@ import (
 	"errors"
 	"time"
 
-	"github.com/imdario/mergo"
+	"dario.cat/mergo"
 	"go-micro.dev/v5/config/encoder"
 	"go-micro.dev/v5/config/encoder/json"
 	"go-micro.dev/v5/config/reader"
diff --git a/config/source/cli/cli.go b/config/source/cli/cli.go
index c9b6474ed4..98a8334796 100644
--- a/config/source/cli/cli.go
+++ b/config/source/cli/cli.go
@@ -7,7 +7,7 @@ import (
 	"strings"
 	"time"
 
-	"github.com/imdario/mergo"
+	"dario.cat/mergo"
 	"github.com/urfave/cli/v2"
 	"go-micro.dev/v5/cmd"
 	"go-micro.dev/v5/config/source"
diff --git a/config/source/env/env.go b/config/source/env/env.go
index d7c11fd0a7..e31aa8775d 100644
--- a/config/source/env/env.go
+++ b/config/source/env/env.go
@@ -6,7 +6,7 @@ import (
 	"strings"
 	"time"
 
-	"github.com/imdario/mergo"
+	"dario.cat/mergo"
 	"go-micro.dev/v5/config/source"
 )
 
diff --git a/config/source/flag/flag.go b/config/source/flag/flag.go
index c824e2257c..9dbc4208bf 100644
--- a/config/source/flag/flag.go
+++ b/config/source/flag/flag.go
@@ -6,7 +6,7 @@ import (
 	"strings"
 	"time"
 
-	"github.com/imdario/mergo"
+	"dario.cat/mergo"
 	"go-micro.dev/v5/config/source"
 )
 
diff --git a/go.mod b/go.mod
index d87bd28bc1..589abcfa11 100644
--- a/go.mod
+++ b/go.mod
@@ -5,6 +5,7 @@ go 1.24
 toolchain go1.24.1
 
 require (
+	dario.cat/mergo v1.0.2
 	github.com/bitly/go-simplejson v0.5.0
 	github.com/cornelk/hashmap v1.0.8
 	github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc
@@ -15,7 +16,6 @@ require (
 	github.com/golang/protobuf v1.5.4
 	github.com/google/uuid v1.6.0
 	github.com/hashicorp/consul/api v1.32.1
-	github.com/imdario/mergo v0.3.13
 	github.com/jackc/pgx/v4 v4.18.3
 	github.com/kr/pretty v0.3.1
 	github.com/lib/pq v1.10.9
diff --git a/go.sum b/go.sum
index e114aa1d3a..6e0c3b0535 100644
--- a/go.sum
+++ b/go.sum
@@ -1,3 +1,5 @@
+dario.cat/mergo v1.0.2 h1:85+piFYR1tMbRrLcDwR18y4UKJ3aH1Tbzi24VRW1TK8=
+dario.cat/mergo v1.0.2/go.mod h1:E/hbnu0NxMFBjpMIE34DRGLWqDy0g5FuKDhCb31ngxA=
 filippo.io/edwards25519 v1.1.0 h1:FNf4tywRC1HmFuKW5xopWpigGjJKiJSV0Cqo0cJWDaA=
 filippo.io/edwards25519 v1.1.0/go.mod h1:BxyFTGdWcka3PhytdK4V28tE5sGfRvvvRV7EaN4VDT4=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
@@ -141,8 +143,6 @@ github.com/hashicorp/memberlist v0.5.0 h1:EtYPN8DpAURiapus508I4n9CzHs2W+8NZGbmmR
 github.com/hashicorp/memberlist v0.5.0/go.mod h1:yvyXLpo0QaGE59Y7hDTsTzDD25JYBZ4mHgHUZ8lrOI0=
 github.com/hashicorp/serf v0.10.1 h1:Z1H2J60yRKvfDYAOZLd2MU0ND4AH/WDz7xYHDWQsIPY=
 github.com/hashicorp/serf v0.10.1/go.mod h1:yL2t6BqATOLGc5HF7qbFkTfXoPIY0WZdWHfEvMqbG+4=
-github.com/imdario/mergo v0.3.13 h1:lFzP57bqS/wsqKssCGmtLAb8A0wKjLGrve2q3PPVcBk=
-github.com/imdario/mergo v0.3.13/go.mod h1:4lJ1jqUDcsbIECGy0RUJAXNIhg+6ocWgb1ALK2O4oXg=
 github.com/jackc/chunkreader v1.0.0/go.mod h1:RT6O25fNZIuasFJRyZ4R/Y2BbhasbmZXF9QQ7T3kePo=
 github.com/jackc/chunkreader/v2 v2.0.0/go.mod h1:odVSm741yZoC3dpHEUXIqA9tQRhFrgOHwnPIn9lDKlk=
 github.com/jackc/chunkreader/v2 v2.0.1 h1:i+RDz65UE+mmpjTfyz0MoVTnzeYxroil2G82ki7MGG8=
@@ -519,7 +519,6 @@ gopkg.in/yaml.v2 v2.2.5/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
 gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
-gopkg.in/yaml.v3 v3.0.0/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg=