diff --git a/pkgs/by-name/tl/tlclient/package.nix b/pkgs/by-name/tl/tlclient/package.nix
index 04dc61b4e703..36bfa0d2e956 100644
--- a/pkgs/by-name/tl/tlclient/package.nix
+++ b/pkgs/by-name/tl/tlclient/package.nix
@@ -12,8 +12,8 @@
 stdenv.mkDerivation (
   finalAttrs:
   let
-    version = "4.17.0";
-    buildNum = "3543";
+    version = "4.18.0";
+    buildNum = "3768";
   in
   {
     pname = "tlclient";
@@ -21,7 +21,7 @@ stdenv.mkDerivation (
 
     src = fetchurl {
       url = "https://www.cendio.com/downloads/clients/tl-${finalAttrs.version}-client-linux-dynamic-x86_64.tar.gz";
-      hash = "sha256-7pl97xGNFwSDpWMpBvkz/bfMsWquVsJVGB+feWJvRQY=";
+      hash = "sha256-fTezGhn0UESEQRPrHYVZNcplV48wb5X/xqplIfLRLAA=";
     };
 
     nativeBuildInputs = [