diff --git a/.gitignore b/.gitignore
index fb919ac..e8656d2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,7 +2,7 @@
 *~ 
 go-bouquins
 calibre.db
-bouquins.json
+bouquins.yml
 Gopkg.lock
 vendor/
 users.db
diff --git a/bouquins/bouquins.go b/bouquins/bouquins.go
index 2cd908a..3910cd8 100644
--- a/bouquins/bouquins.go
+++ b/bouquins/bouquins.go
@@ -70,24 +70,24 @@ var UnprotectedCalibreSuffix = [1]string{"jpg"}
 
 // Conf App configuration
 type Conf struct {
-	BindAddress   string         `json:"bind-address"`
-	DbPath        string         `json:"db-path"`
-	CalibrePath   string         `json:"calibre-path"`
-	Prod          bool           `json:"prod"`
-	UserDbPath    string         `json:"user-db-path"`
-	CookieSecret  string         `json:"cookie-secret"`
-	ExternalURL   string         `json:"external-url"`
-	ProvidersConf []ProviderConf `json:"providers"`
+	BindAddress   string         `yaml:"bind-address"`
+	DbPath        string         `yaml:"db-path"`
+	CalibrePath   string         `yaml:"calibre-path"`
+	Prod          bool           `yaml:"prod"`
+	UserDbPath    string         `yaml:"user-db-path"`
+	CookieSecret  string         `yaml:"cookie-secret"`
+	ExternalURL   string         `yaml:"external-url"`
+	ProvidersConf []ProviderConf `yaml:"providers"`
 }
 
 // ProviderConf OAuth2 provider configuration
 type ProviderConf struct {
-	Name         string `json:"name"`
-	ClientID     string `json:"client-id"`
-	ClientSecret string `json:"client-secret"`
-	AuthURL      string `json:"auth-url"`
-	TokenURL     string `json:"token-url"`
-	ProfileURL   string `json:"profile-url"`
+	Name         string `yaml:"name"`
+	ClientID     string `yaml:"client-id"`
+	ClientSecret string `yaml:"client-secret"`
+	AuthURL      string `yaml:"auth-url"`
+	TokenURL     string `yaml:"token-url"`
+	ProfileURL   string `yaml:"profile-url"`
 }
 
 // Bouquins contains application common resources: templates, database
diff --git a/go.mod b/go.mod
index 6fa142a..5ee9fcf 100644
--- a/go.mod
+++ b/go.mod
@@ -9,4 +9,5 @@ require (
 	golang.org/x/lint v0.0.0-20190909230951-414d861bb4ac // indirect
 	golang.org/x/oauth2 v0.0.0-20190604053449-0f29369cfe45
 	golang.org/x/tools v0.0.0-20190911022129-16c5e0f7d110 // indirect
+	gopkg.in/yaml.v2 v2.2.2
 )
diff --git a/go.sum b/go.sum
index 4b63630..1353a00 100644
--- a/go.sum
+++ b/go.sum
@@ -30,3 +30,7 @@ golang.org/x/tools v0.0.0-20190911022129-16c5e0f7d110 h1:6S6bidS7O4yAwA5ORRbRIjv
 golang.org/x/tools v0.0.0-20190911022129-16c5e0f7d110/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 google.golang.org/appengine v1.4.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v2 v2.2.2 h1:ZCJp+EgiOT7lHqUV2J862kp8Qj64Jo6az82+3Td9dZw=
+gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
diff --git a/main.go b/main.go
index 4981f82..77300f2 100644
--- a/main.go
+++ b/main.go
@@ -2,7 +2,7 @@ package main
 
 import (
 	"database/sql"
-	"encoding/json"
+	"gopkg.in/yaml.v2"
 	"log"
 	"net/http"
 	"os"
@@ -18,14 +18,14 @@ import (
 // ReadConfig loads configuration file and initialize default value
 func ReadConfig() (*bouquins.Conf, error) {
 	conf := new(bouquins.Conf)
-	confPath := "bouquins.json"
+	confPath := "bouquins.yml"
 	if len(os.Args) > 1 {
 		confPath = os.Args[1]
 	}
 	confFile, err := os.Open(confPath)
 	if err == nil {
 		defer confFile.Close()
-		err = json.NewDecoder(confFile).Decode(conf)
+		err = yaml.NewDecoder(confFile).Decode(conf)
 	} else {
 		log.Println("no conf file, using defaults")
 		err = nil