diff --git a/main.go b/main.go
index 6958636..a46e5da 100644
--- a/main.go
+++ b/main.go
@@ -25,6 +25,7 @@ type receiver struct {
 	cfg    *config
 	logger *log.Logger
 	cache  *cache
+	client *http.Client
 }
 
 type payload struct {
@@ -227,7 +228,6 @@ func (rcv *receiver) multiAlertNotification(p *payload) *notification {
 }
 
 func (rcv *receiver) publish(n *notification) error {
-	client := &http.Client{Timeout: time.Second * 3}
 	req, err := http.NewRequest(http.MethodPost, rcv.cfg.ntfy.Topic, strings.NewReader(n.body))
 	if err != nil {
 		return err
@@ -261,7 +261,7 @@ func (rcv *receiver) publish(n *notification) error {
 		req.Header.Set("Actions", fmt.Sprintf("http, Silence, %s, method=POST, body=%s%s", url, n.silenceBody, authString))
 	}
 
-	resp, err := client.Do(req)
+	resp, err := rcv.client.Do(req)
 	if err != nil {
 		return err
 	}
@@ -376,7 +376,9 @@ func main() {
 		logger.Errorf("config: %v", err)
 	}
 
-	receiver := &receiver{cfg: cfg, logger: logger, cache: newCache(cfg.cache.Duration)}
+	client := &http.Client{Timeout: time.Second * 3}
+
+	receiver := &receiver{cfg: cfg, logger: logger, cache: newCache(cfg.cache.Duration), client: client}
 
 	logger.Infof("Listening on %s, ntfy-alertmanager %s", cfg.HTTPAddress, version)
 
diff --git a/silence.go b/silence.go
index d3c11a3..34c4a40 100644
--- a/silence.go
+++ b/silence.go
@@ -90,8 +90,6 @@ func (rcv *receiver) handleSilences(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	client := &http.Client{Timeout: time.Second * 3}
-
 	url := sb.AlertManagerURL
 	if rcv.cfg.am.URL != "" {
 		url = rcv.cfg.am.URL
@@ -111,7 +109,7 @@ func (rcv *receiver) handleSilences(w http.ResponseWriter, r *http.Request) {
 	}
 
 	req.Header.Add("Content-Type", "application/json")
-	resp, err := client.Do(req)
+	resp, err := rcv.client.Do(req)
 	if err != nil {
 		rcv.logger.Debugf("silences: %v", err)
 		return