diff --git a/internal/caldav/backend.go b/internal/caldav/backend.go
index b797e5b..cee8445 100644
--- a/internal/caldav/backend.go
+++ b/internal/caldav/backend.go
@@ -14,15 +14,15 @@ import (
 	"strings"
 	"time"
 
-	ical "github.com/emersion/go-ical"
-	"github.com/emersion/go-webdav"
-	"github.com/emersion/go-webdav/caldav"
 	"git.arnef.de/arnef/nidus/internal/auth"
 	"git.arnef.de/arnef/nidus/internal/config"
 	"git.arnef.de/arnef/nidus/internal/db"
 	"git.arnef.de/arnef/nidus/internal/icalfix"
 	"git.arnef.de/arnef/nidus/internal/icssub"
 	"git.arnef.de/arnef/nidus/internal/store"
+	ical "github.com/emersion/go-ical"
+	"github.com/emersion/go-webdav"
+	"github.com/emersion/go-webdav/caldav"
 )
 
 // sharedNameSep separates the owner from the calendar name in the
diff --git a/internal/caldav/backend_test.go b/internal/caldav/backend_test.go
index f15c77f..f51cf46 100644
--- a/internal/caldav/backend_test.go
+++ b/internal/caldav/backend_test.go
@@ -11,11 +11,11 @@ import (
 	"strings"
 	"testing"
 
-	ical "github.com/emersion/go-ical"
 	"git.arnef.de/arnef/nidus/internal/auth"
 	"git.arnef.de/arnef/nidus/internal/config"
 	"git.arnef.de/arnef/nidus/internal/db"
 	"git.arnef.de/arnef/nidus/internal/store"
+	ical "github.com/emersion/go-ical"
 )
 
 func newTestBackend(t *testing.T) (*Backend, *db.DB) {
diff --git a/internal/carddav/backend.go b/internal/carddav/backend.go
index 6fdb609..4b33fe0 100644
--- a/internal/carddav/backend.go
+++ b/internal/carddav/backend.go
@@ -9,13 +9,13 @@ import (
 	"strings"
 	"time"
 
-	vcard "github.com/emersion/go-vcard"
-	"github.com/emersion/go-webdav"
-	"github.com/emersion/go-webdav/carddav"
 	"git.arnef.de/arnef/nidus/internal/auth"
 	"git.arnef.de/arnef/nidus/internal/config"
 	"git.arnef.de/arnef/nidus/internal/db"
 	"git.arnef.de/arnef/nidus/internal/store"
+	vcard "github.com/emersion/go-vcard"
+	"github.com/emersion/go-webdav"
+	"github.com/emersion/go-webdav/carddav"
 )
 
 // sharedNameSep separates the owner from the address book name in the
diff --git a/internal/carddav/backend_test.go b/internal/carddav/backend_test.go
index 14df6af..69b61da 100644
--- a/internal/carddav/backend_test.go
+++ b/internal/carddav/backend_test.go
@@ -8,11 +8,11 @@ import (
 	"strings"
 	"testing"
 
-	vcard "github.com/emersion/go-vcard"
 	"git.arnef.de/arnef/nidus/internal/auth"
 	"git.arnef.de/arnef/nidus/internal/config"
 	"git.arnef.de/arnef/nidus/internal/db"
 	"git.arnef.de/arnef/nidus/internal/store"
+	vcard "github.com/emersion/go-vcard"
 )
 
 func newTestBackend(t *testing.T) (*Backend, *db.DB) {
diff --git a/internal/web/calendar.go b/internal/web/calendar.go
index 0ba9ffa..728b519 100644
--- a/internal/web/calendar.go
+++ b/internal/web/calendar.go
@@ -15,11 +15,11 @@ import (
 	"strings"
 	"time"
 
-	ical "github.com/emersion/go-ical"
 	"git.arnef.de/arnef/nidus/internal/birthdays"
 	"git.arnef.de/arnef/nidus/internal/db"
 	"git.arnef.de/arnef/nidus/internal/icalfix"
 	"git.arnef.de/arnef/nidus/internal/web/templates"
+	ical "github.com/emersion/go-ical"
 )
 
 // eventIDRe validates an event's object ID as it appears in a URL path
diff --git a/internal/web/contacts.go b/internal/web/contacts.go
index a4253dc..85eb394 100644
--- a/internal/web/contacts.go
+++ b/internal/web/contacts.go
@@ -15,9 +15,9 @@ import (
 	"strconv"
 	"strings"
 
-	vcard "github.com/emersion/go-vcard"
 	"git.arnef.de/arnef/nidus/internal/store"
 	"git.arnef.de/arnef/nidus/internal/web/templates"
+	vcard "github.com/emersion/go-vcard"
 )
 
 // contactIDRe validates a contact's object ID as it appears in a URL path