diff --git a/getArticles.go b/getArticles.go
index 95a48c2..4ec8eb5 100644
--- a/getArticles.go
+++ b/getArticles.go
@@ -19,7 +19,6 @@ import (
 
 // Get new articles for specified feed.
 func getArticles(feedURL string, max int, noExcerpt bool, filter []string, filterMessage []string) (string, error) {
-
 	type feedCache struct {
 		LastChange string
 	}
@@ -36,7 +35,7 @@ func getArticles(feedURL string, max int, noExcerpt bool, filter []string, filte
 		// Create configPath if not yet existing.
 		cachePath = osCacheDir + "/feed-to-muc/"
 		if _, err := os.Stat(cachePath); os.IsNotExist(err) {
-			err = os.MkdirAll(cachePath, 0700)
+			err = os.MkdirAll(cachePath, 0o700)
 			if err != nil {
 				log.Fatal("Error: Can't create cache path:", err)
 			}
@@ -59,7 +58,7 @@ func getArticles(feedURL string, max int, noExcerpt bool, filter []string, filte
 		// Create cachePath if not yet existing.
 		cachePath = home + "/.cache/feed-to-muc/"
 		if _, err := os.Stat(cachePath); os.IsNotExist(err) {
-			err = os.MkdirAll(cachePath, 0700)
+			err = os.MkdirAll(cachePath, 0o700)
 			if err != nil {
 				log.Fatal("Error: Can't create cache path:", err)
 			}
@@ -75,7 +74,7 @@ func getArticles(feedURL string, max int, noExcerpt bool, filter []string, filte
 		log.Fatal("Error: Can't create hash for", feedURL+":", err)
 	}
 	if _, err := os.Stat(cachePath); os.IsNotExist(err) {
-		err = os.MkdirAll(cachePath, 0700)
+		err = os.MkdirAll(cachePath, 0o700)
 		if err != nil {
 			log.Fatal("Error: Can't create hash identifier for cache file:", err)
 		}
@@ -102,7 +101,7 @@ func getArticles(feedURL string, max int, noExcerpt bool, filter []string, filte
 
 	} else {
 
-		file, err = os.OpenFile(cacheFile, os.O_RDWR, 0600)
+		file, err = os.OpenFile(cacheFile, os.O_RDWR, 0o600)
 		if err != nil {
 			log.Fatal("Error: Can't open cache file:", err)
 		}
diff --git a/main.go b/main.go
index 027e4b2..a18008a 100644
--- a/main.go
+++ b/main.go
@@ -36,7 +36,6 @@ var (
 )
 
 func main() {
-
 	// Read path to config from command line option.
 	configFilePtr := flag.String("config", "none", "path to configuration file")
 	flag.Parse()
@@ -91,8 +90,10 @@ func main() {
 			}
 
 			if output != "" {
-				_, err = client.Send(xmpp.Chat{Remote: config.Muc,
-					Type: "groupchat", Text: output})
+				_, err = client.Send(xmpp.Chat{
+					Remote: config.Muc,
+					Type:   "groupchat", Text: output,
+				})
 				if err != nil {
 					// ToDo: Save message for resend.
 					// Exit if message can not be sent.
diff --git a/openConfig.go b/openConfig.go
index 1f08864..bde01a2 100644
--- a/openConfig.go
+++ b/openConfig.go
@@ -21,7 +21,7 @@ func openConfig(configFilePtr *string) configuration {
 			// Create configPath if not yet existing.
 			configPath = osConfigDir + "/.config/feed-to-muc/"
 			if _, err := os.Stat(configPath); os.IsNotExist(err) {
-				err = os.MkdirAll(configPath, 0700)
+				err = os.MkdirAll(configPath, 0o700)
 				if err != nil {
 					log.Fatal("Error: Can't create config path: ", err)
 				}
@@ -42,7 +42,7 @@ func openConfig(configFilePtr *string) configuration {
 			// Create configPath if not yet existing.
 			configPath = home + "/.config/feed-to-muc/"
 			if _, err := os.Stat(configPath + "config.json"); os.IsNotExist(err) {
-				err = os.MkdirAll(configPath, 0700)
+				err = os.MkdirAll(configPath, 0o700)
 				if err != nil {
 					log.Fatal("Error: Can't create config path: ", err)
 				}
@@ -67,7 +67,7 @@ func openConfig(configFilePtr *string) configuration {
 	}
 
 	if _, err := os.Stat(configFile); os.IsNotExist(err) {
-		err = os.MkdirAll(configPath, 0700)
+		err = os.MkdirAll(configPath, 0o700)
 		if err != nil {
 			log.Fatal("Error: Can't create config path: ", err)
 		}
diff --git a/processStanzas.go b/processStanzas.go
index 9c11d65..f6a691f 100644
--- a/processStanzas.go
+++ b/processStanzas.go
@@ -68,14 +68,18 @@ func processStanzas(client *xmpp.Client, muc string, mucNick string, feeds []str
 					"\"source\": Show source code URL."
 
 				if v.Type == "groupchat" {
-					_, err = client.Send(xmpp.Chat{Remote: muc,
-						Type: "groupchat", Text: strings.Split(v.Remote, "/")[1] + ": " + reply})
+					_, err = client.Send(xmpp.Chat{
+						Remote: muc,
+						Type:   "groupchat", Text: strings.Split(v.Remote, "/")[1] + ": " + reply,
+					})
 					if err != nil {
 						log.Fatal("Error: Failed sending message to MUC:", err)
 					}
 				} else if v.Type == "chat" {
-					_, err = client.Send(xmpp.Chat{Remote: v.Remote,
-						Type: "chat", Text: reply})
+					_, err = client.Send(xmpp.Chat{
+						Remote: v.Remote,
+						Type:   "chat", Text: reply,
+					})
 					if err != nil {
 						log.Fatal("Error: Failed sending message to ", v.Remote, ": ", err)
 					}
@@ -88,14 +92,18 @@ func processStanzas(client *xmpp.Client, muc string, mucNick string, feeds []str
 					"https://salsa.debian.org/mdosch/feed-to-muc"
 
 				if v.Type == "groupchat" {
-					_, err = client.Send(xmpp.Chat{Remote: muc,
-						Type: "groupchat", Text: strings.Split(v.Remote, "/")[1] + ": " + reply})
+					_, err = client.Send(xmpp.Chat{
+						Remote: muc,
+						Type:   "groupchat", Text: strings.Split(v.Remote, "/")[1] + ": " + reply,
+					})
 					if err != nil {
 						log.Fatal("Error: Failed sending message to MUC:", err)
 					}
 				} else if v.Type == "chat" {
-					_, err = client.Send(xmpp.Chat{Remote: v.Remote,
-						Type: "chat", Text: reply})
+					_, err = client.Send(xmpp.Chat{
+						Remote: v.Remote,
+						Type:   "chat", Text: reply,
+					})
 					if err != nil {
 						log.Fatal("Error: Failed sending message to ", v.Remote, ": ", err)
 					}
@@ -111,14 +119,18 @@ func processStanzas(client *xmpp.Client, muc string, mucNick string, feeds []str
 				reply := "Feeds I'm following:\n" + feedList
 
 				if v.Type == "groupchat" {
-					_, err = client.Send(xmpp.Chat{Remote: muc,
-						Type: "groupchat", Text: strings.Split(v.Remote, "/")[1] + ": " + reply})
+					_, err = client.Send(xmpp.Chat{
+						Remote: muc,
+						Type:   "groupchat", Text: strings.Split(v.Remote, "/")[1] + ": " + reply,
+					})
 					if err != nil {
 						log.Fatal("Error: Failed sending message to MUC:", err)
 					}
 				} else if v.Type == "chat" {
-					_, err = client.Send(xmpp.Chat{Remote: v.Remote,
-						Type: "chat", Text: reply})
+					_, err = client.Send(xmpp.Chat{
+						Remote: v.Remote,
+						Type:   "chat", Text: reply,
+					})
 					if err != nil {
 						log.Fatal("Error: Failed sending message to ", v.Remote, ": ", err)
 					}
@@ -133,14 +145,18 @@ func processStanzas(client *xmpp.Client, muc string, mucNick string, feeds []str
 				}
 
 				if v.Type == "groupchat" {
-					_, err = client.Send(xmpp.Chat{Remote: muc,
-						Type: "groupchat", Text: strings.Split(v.Remote, "/")[1] + ": " + reply})
+					_, err = client.Send(xmpp.Chat{
+						Remote: muc,
+						Type:   "groupchat", Text: strings.Split(v.Remote, "/")[1] + ": " + reply,
+					})
 					if err != nil {
 						log.Fatal("Error: Failed sending message to MUC:", err)
 					}
 				} else if v.Type == "chat" {
-					_, err = client.Send(xmpp.Chat{Remote: v.Remote,
-						Type: "chat", Text: reply})
+					_, err = client.Send(xmpp.Chat{
+						Remote: v.Remote,
+						Type:   "chat", Text: reply,
+					})
 					if err != nil {
 						log.Fatal("Error: Failed sending message to ", v.Remote, ": ", err)
 					}
@@ -154,14 +170,18 @@ func processStanzas(client *xmpp.Client, muc string, mucNick string, feeds []str
 				}
 
 				if v.Type == "groupchat" {
-					_, err = client.Send(xmpp.Chat{Remote: muc,
-						Type: "groupchat", Text: strings.Split(v.Remote, "/")[1] + ": " + contact})
+					_, err = client.Send(xmpp.Chat{
+						Remote: muc,
+						Type:   "groupchat", Text: strings.Split(v.Remote, "/")[1] + ": " + contact,
+					})
 					if err != nil {
 						log.Fatal("Error: Failed sending message to MUC:", err)
 					}
 				} else if v.Type == "chat" {
-					_, err = client.Send(xmpp.Chat{Remote: v.Remote,
-						Type: "chat", Text: contact})
+					_, err = client.Send(xmpp.Chat{
+						Remote: v.Remote,
+						Type:   "chat", Text: contact,
+					})
 					if err != nil {
 						log.Fatal("Error: Failed sending message to ", v.Remote, ": ", err)
 					}
diff --git a/removeTracking.go b/removeTracking.go
index 220b28e..1a07cc7 100644
--- a/removeTracking.go
+++ b/removeTracking.go
@@ -10,7 +10,6 @@ import (
 
 // Remove tracking parameter from URLs
 func removeTracking(input string) (output string, err error) {
-
 	// Perform a get request to get rid of 301 forwarding through
 	// services like feedproxy.google.com.
 	resp, err := http.Get(input)
diff --git a/sendPings.go b/sendPings.go
index 06ad4c5..d3b664c 100644
--- a/sendPings.go
+++ b/sendPings.go
@@ -11,7 +11,6 @@ import (
 
 // Send a ping every 30 seconds after last successful ping to check if the MUC is still available.
 func pingMUC(client *xmpp.Client, botJid string, muc string, mucNick string) {
-
 	var err error
 
 	for {