diff --git a/pkgs/development/tools/libsigrok/default.nix b/pkgs/development/tools/libsigrok/default.nix
index 93c8c6a6c71..a80b638625e 100644
--- a/pkgs/development/tools/libsigrok/default.nix
+++ b/pkgs/development/tools/libsigrok/default.nix
@@ -1,20 +1,20 @@
 { stdenv, fetchurl, pkgconfig, libzip, glib, libusb1, libftdi1, check
 , libserialport, librevisa, doxygen, glibmm, python
-, version ? "0.5.0", sha256 ? "197kr5ip98lxn7rv10zs35d1w0j7265s0xvckx0mq2l8kdvqd32c"
+, version ? "0.5.1", sha256 ? "171b553dir5gn6w4f7n37waqk62nq2kf1jykx4ifjacdz5xdw3z4"
 }:
 
 stdenv.mkDerivation rec {
   inherit version;
-  name = "libsigrok-${version}";
+  pname = "libsigrok";
 
   src = fetchurl {
-    url = "https://sigrok.org/download/source/libsigrok/${name}.tar.gz";
+    url = "https://sigrok.org/download/source/${pname}/${pname}-${version}.tar.gz";
     inherit sha256;
   };
 
   firmware = fetchurl {
-    url = "https://sigrok.org/download/binary/sigrok-firmware-fx2lafw/sigrok-firmware-fx2lafw-bin-0.1.3.tar.gz";
-    sha256 = "1qr02ny97navqxr56xq1a227yzf6h09m8jlvc9bnjl0bsk6887bl";
+    url = "https://sigrok.org/download/binary/sigrok-firmware-fx2lafw/sigrok-firmware-fx2lafw-bin-0.1.6.tar.gz";
+    sha256 = "14sd8xqph4kb109g073daiavpadb20fcz7ch1ipn0waz7nlly4sw";
   };
 
   nativeBuildInputs = [ pkgconfig ];