diff --git a/packages/htpdate/default.nix b/packages/htpdate/default.nix
index dbf97e5..3fdbe02 100644
--- a/packages/htpdate/default.nix
+++ b/packages/htpdate/default.nix
@@ -1,14 +1,14 @@
 { stdenv, lib, fetchFromGitHub }:
 
 stdenv.mkDerivation rec {
-  version = "1.3.1";
+  version = "1.3.5";
   pname = "htpdate";
 
   src = fetchFromGitHub {
     owner = "twekkel";
     repo = pname;
     rev = "v${version}";
-    sha256 = "JPaxbu7LlGV+Bh5qxVxeNSPnMQNqLaLYWBRbpETSpQs=";
+    sha256 = "sha256-L3CKBgGk9R8qJFWOS98Tm1j/s/5t6+/Vt2EcZ+or0Ng=";
   };
 
   makeFlags = [
@@ -23,3 +23,4 @@ stdenv.mkDerivation rec {
     maintainers = with maintainers; [ julienmalka ];
   };
 }
+