diff --git a/pkgs/applications/radio/cubicsdr/default.nix b/pkgs/applications/radio/cubicsdr/default.nix
index 7e346bcbf848..23b64e124c55 100644
--- a/pkgs/applications/radio/cubicsdr/default.nix
+++ b/pkgs/applications/radio/cubicsdr/default.nix
@@ -1,34 +1,17 @@
-{ lib, stdenv, fetchFromGitHub, fetchpatch, cmake, fftw, hamlib, libpulseaudio, libGL, libX11, liquid-dsp,
+{ lib, stdenv, fetchFromGitHub, cmake, fftw, hamlib, libpulseaudio, libGL, libX11, liquid-dsp,
   pkg-config, soapysdr-with-plugins, wxGTK31-gtk3, enableDigitalLab ? false }:
 
 stdenv.mkDerivation rec {
   pname = "cubicsdr";
-  version = "0.2.5";
+  version = "0.2.7";
 
   src = fetchFromGitHub {
     owner = "cjcliffe";
     repo = "CubicSDR";
     rev = version;
-    sha256 = "1ihbn18bzdcdvwpa4hnb55ns38bj4b8xy53hkmra809f9qpbcjhn";
+    sha256 = "0cyv1vk97x4i3h3hhh7dx8mv6d1ad0fypdbx5fl26bz661sr8j2n";
   };
 
-  # Allow cubicsdr 0.2.5 to build with wxGTK 3.1.3
-  # these come from cubicsdr's master branch, subsequent releases may include them
-  patches = [
-    (fetchpatch {
-      url = "https://github.com/cjcliffe/CubicSDR/commit/65a160fa356ce9665dfe05c6bfc6754535e16743.patch";
-      sha256 = "0vbr5x9fnm09bws5crqcm6kkhr1bg5r0bc1pxnwwjyc6jpvqi6ad";
-    })
-    (fetchpatch {
-      url = "https://github.com/cjcliffe/CubicSDR/commit/f449a65457e35bf8260d0b16b8a47b6bc0ea2c7e.patch";
-      sha256 = "1zjvjmhm8ybi6i9pq7by3fj3mvx37dy7gj4gk23d79yrnl9mk25p";
-    })
-    (fetchpatch {
-      url = "https://github.com/cjcliffe/CubicSDR/commit/0540d08c2dea79b668b32b1a6d58f235d65ce9d2.patch";
-      sha256 = "07l7b82f779sbcj0jza0mg463ac1153bs9hn6ai388j7dm3lvasn";
-    })
-  ];
-
   nativeBuildInputs = [ cmake pkg-config ];
 
   buildInputs = [ fftw hamlib libpulseaudio libGL libX11 liquid-dsp soapysdr-with-plugins wxGTK31-gtk3 ];
@@ -44,4 +27,3 @@ stdenv.mkDerivation rec {
     platforms = platforms.linux;
   };
 }
-
diff --git a/pkgs/development/libraries/liquid-dsp/default.nix b/pkgs/development/libraries/liquid-dsp/default.nix
index 746771f44fe4..76b9648ef468 100644
--- a/pkgs/development/libraries/liquid-dsp/default.nix
+++ b/pkgs/development/libraries/liquid-dsp/default.nix
@@ -1,14 +1,14 @@
 {lib, stdenv, fetchFromGitHub, autoreconfHook }:
 
-stdenv.mkDerivation {
+stdenv.mkDerivation rec {
   pname = "liquid-dsp";
-  version = "20170307";
+  version = "1.4.0";
 
   src = fetchFromGitHub {
     owner = "jgaeddert";
     repo = "liquid-dsp";
-    rev = "8c1978fa4f5662b8849fe712be716958f29cec0e";
-    sha256 = "0zpxvdsrw0vzzp3iaag3wh4z8ygl7fkswgjppp2fz2zhhqh93k2w";
+    rev = "v${version}";
+    sha256 = "0mr86z37yycrqwbrmsiayi1vqrgpjq0pn1c3p1qrngipkw45jnn0";
   };
 
   nativeBuildInputs = [ autoreconfHook ];
@@ -19,5 +19,4 @@ stdenv.mkDerivation {
     license = lib.licenses.mit;
     platforms = lib.platforms.unix;
   };
-
 }