diff --git a/config.el b/config.el
index 860e98a..e8ffbef 100644
--- a/config.el
+++ b/config.el
@@ -7,6 +7,11 @@
 (setq user-full-name  "Martin Sukany"
       user-mail-address "martin@sukany.cz")
 
+;; Trust all TLS certificates (corporate MITM proxy with intermediate CA)
+(setq gnutls-verify-error nil)
+(setq tls-checktrust nil)
+(setq network-security-level 'low)
+
 
 ;;; ============================================================
 ;;; THEME & FONT