diff --git a/aliasdomain.go b/aliasdomain.go
index 0010aa7..09a0c81 100644
--- a/aliasdomain.go
+++ b/aliasdomain.go
@@ -53,6 +53,7 @@ func (r *Repository) AliasDomains() ([]*AliasDomain, error) {
 	if err != nil {
 		return nil, err
 	}
+	defer file.Close()
 
 	aliasDomains := make([]*AliasDomain, 0, 10)
 
diff --git a/aliasuser.go b/aliasuser.go
index fa3d556..2adc98d 100644
--- a/aliasuser.go
+++ b/aliasuser.go
@@ -74,6 +74,7 @@ func (r *Repository) AliasUsers(domainName string) ([]*AliasUser, error) {
 	if err != nil {
 		return nil, err
 	}
+	defer file.Close()
 
 	aliasUsers := make([]*AliasUser, 0, 50)
 
diff --git a/catchalluser.go b/catchalluser.go
index d96a886..8ca2aba 100644
--- a/catchalluser.go
+++ b/catchalluser.go
@@ -43,6 +43,7 @@ func (r *Repository) CatchAllUser(domainName string) (*CatchAllUser, error) {
 	if err != nil {
 		return nil, err
 	}
+	defer file.Close()
 
 	scanner := bufio.NewScanner(file)
 	scanner.Scan()
diff --git a/user.go b/user.go
index 6fa9f74..6a579e0 100644
--- a/user.go
+++ b/user.go
@@ -169,6 +169,7 @@ func (r *Repository) usersHashedPassword(domainName string) (map[string]string,
 	if err != nil {
 		return nil, err
 	}
+	defer file.Close()
 
 	hashedPasswords := map[string]string{}
 
@@ -214,6 +215,7 @@ func (r *Repository) userForwards(domainName, userName string) ([]string, error)
 
 		return nil, err
 	}
+	defer file.Close()
 
 	forwards := make([]string, 0, 5)