diff --git a/pkgs/applications/science/misc/foldingathome/client.nix b/pkgs/applications/science/misc/foldingathome/client.nix
index 74a53902ee0..bf7145113f5 100644
--- a/pkgs/applications/science/misc/foldingathome/client.nix
+++ b/pkgs/applications/science/misc/foldingathome/client.nix
@@ -10,7 +10,7 @@
 }:
 let
   majMin = stdenv.lib.versions.majorMinor version;
-  version = "7.6.9";
+  version = "7.6.13";
 
   fahclient = stdenv.mkDerivation rec {
     inherit version;
@@ -18,7 +18,7 @@ let
 
     src = fetchurl {
       url = "https://download.foldingathome.org/releases/public/release/fahclient/debian-stable-64bit/v${majMin}/fahclient_${version}_amd64.deb";
-      sha256 = "1v4yijjjdq9qx1fp60flp9ya6ywl9qdsgkzwmzjzp8sd5gfvhyr6";
+      sha256 = "1j2cnsyassvifp6ymwd9kxwqw09hks24834gf7nljfncyy9g4g0i";
     };
 
     nativeBuildInputs = [