diff --git a/pain.go b/pain/pain.go
similarity index 99%
rename from pain.go
rename to pain/pain.go
index 9ac9166..53bbee5 100644
--- a/pain.go
+++ b/pain/pain.go
@@ -1,4 +1,4 @@
-package sepa
+package pain
 
 import (
 	"fmt"
diff --git a/pain_regexp.go b/pain/pain_regexp.go
similarity index 98%
rename from pain_regexp.go
rename to pain/pain_regexp.go
index 09be71a..bb01bd7 100644
--- a/pain_regexp.go
+++ b/pain/pain_regexp.go
@@ -1,4 +1,4 @@
-package sepa
+package pain
 
 import (
 	"regexp"