diff --git a/internal/constants/host_default.go b/internal/constants/host_default.go
index fd839ab1..bc1cbd39 100644
--- a/internal/constants/host_default.go
+++ b/internal/constants/host_default.go
@@ -20,4 +20,4 @@
 package constants
 
 // APIHost is our API address.
-const APIHost = "https://api.protonmail.ch"
+const APIHost = "https://mail-api.proton.me"
diff --git a/internal/constants/host_qa.go b/internal/constants/host_qa.go
index 5566c1df..5ae4ebbf 100644
--- a/internal/constants/host_qa.go
+++ b/internal/constants/host_qa.go
@@ -22,7 +22,7 @@ package constants
 import "os"
 
 // APIHost is our API address.
-var APIHost = "https://api.protonmail.ch"
+var APIHost = "https://mail-api.proton.me"
 
 func init() {
 	if apiHost := os.Getenv("BRIDGE_HOST_URL"); apiHost != "" {
diff --git a/internal/dialer/dialer_pinning_test.go b/internal/dialer/dialer_pinning_test.go
index aee31d65..79f305cf 100644
--- a/internal/dialer/dialer_pinning_test.go
+++ b/internal/dialer/dialer_pinning_test.go
@@ -31,7 +31,7 @@ import (
 )
 
 func getRootURL() string {
-	return "https://api.protonmail.ch"
+	return "https://mail-api.proton.me"
 }
 
 func TestTLSPinValid(t *testing.T) {