1 files changed, 1 insertions, 1 deletions
diff --git a/pkgs/applications/networking/mailreaders/notmuch/default.nix b/pkgs/applications/networking/mailreaders/notmuch/default.nix
index 401eb755896f..9b259cad6d0b 100644
--- a/pkgs/applications/networking/mailreaders/notmuch/default.nix
+++ b/pkgs/applications/networking/mailreaders/notmuch/default.nix
@@ -21,7 +21,7 @@ stdenv.mkDerivation rec {
   };
 
   src = fetchurl {
-    url = "http://notmuchmail.org/releases/${name}.tar.gz";
+    url = "https://notmuchmail.org/releases/${name}.tar.gz";
     sha256 = "0xh8vq2sa7r07xb3n13drc6gdiqhcgl0pj0za5xj43qkiwpikls0";
   };