diff --git a/.gitignore b/.gitignore
index d4a1236..99afb18 100644
--- a/.gitignore
+++ b/.gitignore
@@ -20,4 +20,3 @@ fyne-cross/
 
 # binary
 comics-downloader
-
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 92d0c14..a16f916 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,12 @@
+[Changes][v0.32.1]
+<a name="v0.32.1"></a>
+
+# [0.32.1 (v0.32.1)](https://github.com/Girbons/comics-downloader/releases/tag/v0.32.1) - 20 Oct 2021
+
+# Fixes
+
+- #94: Range option ignores non integers. -- (Thanks @Jan0660)
+
 [Changes][v0.32.0]
 <a name="v0.32.0"></a>
 
diff --git a/README.md b/README.md
index 5258409..8bc3c0b 100644
--- a/README.md
+++ b/README.md
@@ -23,17 +23,17 @@
 
 Download the latest release:
 
-- [Linux](https://github.com/Girbons/comics-downloader/releases/download/v0.32.0/comics-downloader)
-- [Mac OSX](https://github.com/Girbons/comics-downloader/releases/download/v0.32.0/comics-downloader-osx)
-- [Windows](https://github.com/Girbons/comics-downloader/releases/download/v0.32.0/comics-downloader.exe)
-- [Linux ARM](https://github.com/Girbons/comics-downloader/releases/download/v0.32.0/comics-downloader-linux-arm)
-- [Linux ARM64](https://github.com/Girbons/comics-downloader/releases/download/v0.32.0/comics-downloader-linux-arm64)
+- [Linux](https://github.com/Girbons/comics-downloader/releases/download/v0.32.1/comics-downloader)
+- [Mac OSX](https://github.com/Girbons/comics-downloader/releases/download/v0.32.1/comics-downloader-osx)
+- [Windows](https://github.com/Girbons/comics-downloader/releases/download/v0.32.1/comics-downloader.exe)
+- [Linux ARM](https://github.com/Girbons/comics-downloader/releases/download/v0.32.1/comics-downloader-linux-arm)
+- [Linux ARM64](https://github.com/Girbons/comics-downloader/releases/download/v0.32.1/comics-downloader-linux-arm64)
 
 Download the latest GUI release:
 
-- [Linux](https://github.com/Girbons/comics-downloader/releases/download/v0.32.0/comics-downloader-gui)
-- [Mac OSX](https://github.com/Girbons/comics-downloader/releases/download/v0.32.0/comics-downloader-gui-osx)
-- [Windows](https://github.com/Girbons/comics-downloader/releases/download/v0.32.0/comics-downloader-gui-windows.exe)
+- [Linux](https://github.com/Girbons/comics-downloader/releases/download/v0.32.1/comics-downloader-gui)
+- [Mac OSX](https://github.com/Girbons/comics-downloader/releases/download/v0.32.1/comics-downloader-gui-osx)
+- [Windows](https://github.com/Girbons/comics-downloader/releases/download/v0.32.1/comics-downloader-gui-windows.exe)
 
 ## Usage
 
@@ -208,7 +208,6 @@ To avoid that use `-create-default-path` flag.
 - [soup](https://github.com/anaskhan96/soup)
 - [progressbar](https://github.com/schollz/progressbar)
 - [logrus](https://github.com/sirupsen/logrus)
-- [mangadex](https://github.com/bake/mangadex)
 - [archiver](https://github.com/mholt/archiver)
 - [regexp2](https://github.com/dlclark/regexp2)
 
diff --git a/cmd/app/downloader.go b/cmd/app/downloader.go
index 0d31eab..771981e 100644
--- a/cmd/app/downloader.go
+++ b/cmd/app/downloader.go
@@ -11,6 +11,7 @@ import (
 	"github.com/Girbons/comics-downloader/internal/version"
 	"github.com/Girbons/comics-downloader/pkg/config"
 	"github.com/Girbons/comics-downloader/pkg/detector"
+	"github.com/Girbons/comics-downloader/pkg/http"
 	"github.com/Girbons/comics-downloader/pkg/sites"
 	"github.com/sirupsen/logrus"
 )
@@ -105,6 +106,7 @@ func GuiRun(options *config.Options) {
 // Run will start the CLI app
 func Run(options *config.Options) {
 	options.Logger = logger.NewLogger(false, Messages)
+	options.Client = http.NewComicClient()
 
 	// link is required
 	if options.URL == "" {
diff --git a/internal/version/version.go b/internal/version/version.go
index 60d0923..3292a1e 100644
--- a/internal/version/version.go
+++ b/internal/version/version.go
@@ -9,7 +9,7 @@ import (
 
 // Tag specifies the current release tag.
 // It needs to be manually updated.
-const Tag = "v0.32.0"
+const Tag = "v0.32.1"
 
 // IsNewAvailable will fetch the latest project releases
 // and will compare the latest release Tag against the current Tag.
diff --git a/pkg/config/options.go b/pkg/config/options.go
index d037fff..653182f 100644
--- a/pkg/config/options.go
+++ b/pkg/config/options.go
@@ -1,6 +1,9 @@
 package config
 
-import "github.com/Girbons/comics-downloader/internal/logger"
+import (
+	"github.com/Girbons/comics-downloader/internal/logger"
+	"github.com/Girbons/comics-downloader/pkg/http"
+)
 
 // Options represents the comics downloader options.
 type Options struct {
@@ -22,5 +25,6 @@ type Options struct {
 	Source              string
 	IssuesRange         string
 
+	Client *http.ComicClient
 	Logger *logger.Logger
 }
diff --git a/pkg/core/core.go b/pkg/core/core.go
index 347d912..cbe726a 100644
--- a/pkg/core/core.go
+++ b/pkg/core/core.go
@@ -5,10 +5,8 @@ import (
 	"fmt"
 	"image"
 	"io/ioutil"
-	"net/http"
 	"os"
 	"strings"
-	"time"
 
 	"golang.org/x/sync/errgroup"
 
@@ -260,13 +258,6 @@ func (comic *Comic) DownloadImages(options *config.Options) (string, error) {
 		return dir, err
 	}
 
-	client := &http.Client{
-		Transport: &http.Transport{
-			MaxIdleConns:    11,
-			IdleConnTimeout: 30 * time.Second,
-		},
-	}
-
 	g := new(errgroup.Group)
 
 	for i, link := range comic.Links {
@@ -278,13 +269,7 @@ func (comic *Comic) DownloadImages(options *config.Options) (string, error) {
 		}
 
 		g.Go(func() error {
-			req, err := http.NewRequest("GET", link, nil)
-			if err != nil {
-				return err
-			}
-			// we need this so that MangaKakalot doesn't 403 forbid the request
-			req.Header.Add("Referer", link)
-			rsp, err := client.Do(req)
+			rsp, err := options.Client.Get(link)
 			if err != nil {
 				return err
 			}
diff --git a/pkg/http/client.go b/pkg/http/client.go
new file mode 100644
index 0000000..c7598e4
--- /dev/null
+++ b/pkg/http/client.go
@@ -0,0 +1,41 @@
+package http
+
+import (
+	"net/http"
+	"strings"
+)
+
+// ComicClient is the custom client.
+type ComicClient struct {
+	Client *http.Client
+}
+
+// NewComicClient returns a ComicClient instance.
+func NewComicClient() *ComicClient {
+	return &ComicClient{
+		Client: &http.Client{},
+	}
+}
+
+// PrepareRequest setup a `GET` request with customs headers.
+func (c *ComicClient) PrepareRequest(link string) (*http.Request, error) {
+	req, err := http.NewRequest("GET", link, nil)
+
+	if strings.Contains(link, "mangakakalot") {
+		// avoid that MangaKakalot forbids the request.
+		req.Header.Add("Referer", link)
+	}
+
+	return req, err
+}
+
+// GET Performs a Get request..
+func (c *ComicClient) Get(link string) (*http.Response, error) {
+	request, err := c.PrepareRequest(link)
+
+	if err != nil {
+		return nil, err
+	}
+
+	return c.Client.Do(request)
+}
diff --git a/pkg/http/client_test.go b/pkg/http/client_test.go
new file mode 100644
index 0000000..3b31274
--- /dev/null
+++ b/pkg/http/client_test.go
@@ -0,0 +1,25 @@
+package http
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestPrepareRequestMangakakalot(t *testing.T) {
+	cc := NewComicClient()
+	link := "http://mangakakalot.com"
+	req, err := cc.PrepareRequest(link)
+
+	assert.Equal(t, req.Header["Referer"], []string{link})
+	assert.Nil(t, err)
+}
+
+func TestPrepareRequest(t *testing.T) {
+	cc := NewComicClient()
+	link := "http://foo.com"
+	req, err := cc.PrepareRequest(link)
+
+	assert.Equal(t, len(req.Header["Referer"]), 0)
+	assert.Nil(t, err)
+}