diff --git a/daijirin.go b/daijirin.go
index 1617d3d..a812a7a 100644
--- a/daijirin.go
+++ b/daijirin.go
@@ -26,7 +26,7 @@ import (
 	"regexp"
 	"strings"
 
-	"github.com/FooSoft/zero-epwing-go/zig"
+	zig "github.com/FooSoft/zero-epwing-go"
 )
 
 type daijirinExtractor struct {
diff --git a/daijisen.go b/daijisen.go
index ef1de4e..2d79f9b 100644
--- a/daijisen.go
+++ b/daijisen.go
@@ -26,7 +26,7 @@ import (
 	"regexp"
 	"strings"
 
-	"github.com/FooSoft/zero-epwing-go/zig"
+	zig "github.com/FooSoft/zero-epwing-go"
 )
 
 type daijisenExtractor struct {
diff --git a/epwing.go b/epwing.go
index 4205ef1..f7829fe 100644
--- a/epwing.go
+++ b/epwing.go
@@ -29,7 +29,7 @@ import (
 	"strconv"
 	"strings"
 
-	"github.com/FooSoft/zero-epwing-go/zig"
+	zig "github.com/FooSoft/zero-epwing-go"
 )
 
 type epwingExtractor interface {
diff --git a/gakken.go b/gakken.go
index 4ec0ec6..91b0929 100644
--- a/gakken.go
+++ b/gakken.go
@@ -26,7 +26,7 @@ import (
 	"regexp"
 	"strings"
 
-	"github.com/FooSoft/zero-epwing-go/zig"
+	zig "github.com/FooSoft/zero-epwing-go"
 )
 
 type gakkenExtractor struct {
diff --git a/kotowaza.go b/kotowaza.go
index 13ead72..c934d75 100644
--- a/kotowaza.go
+++ b/kotowaza.go
@@ -26,7 +26,7 @@ import (
 	"regexp"
 	"strings"
 
-	"github.com/FooSoft/zero-epwing-go/zig"
+	zig "github.com/FooSoft/zero-epwing-go"
 )
 
 type kotowazaExtractor struct {
diff --git a/koujien.go b/koujien.go
index 773e803..0fb5673 100644
--- a/koujien.go
+++ b/koujien.go
@@ -26,7 +26,7 @@ import (
 	"regexp"
 	"strings"
 
-	"github.com/FooSoft/zero-epwing-go/zig"
+	zig "github.com/FooSoft/zero-epwing-go"
 )
 
 type koujienExtractor struct {
diff --git a/meikyou.go b/meikyou.go
index bd4d90f..d7f5258 100644
--- a/meikyou.go
+++ b/meikyou.go
@@ -26,7 +26,7 @@ import (
 	"regexp"
 	"strings"
 
-	"github.com/FooSoft/zero-epwing-go/zig"
+	zig "github.com/FooSoft/zero-epwing-go"
 )
 
 type meikyouExtractor struct {
diff --git a/wadai.go b/wadai.go
index 489e0ab..7cd23c7 100644
--- a/wadai.go
+++ b/wadai.go
@@ -26,7 +26,7 @@ import (
 	"regexp"
 	"strings"
 
-	"github.com/FooSoft/zero-epwing-go/zig"
+	zig "github.com/FooSoft/zero-epwing-go"
 )
 
 type wadaiExtractor struct {