diff --git a/pkgs/tools/audio/liquidsoap/full.nix b/pkgs/tools/audio/liquidsoap/full.nix
index 2aa01dfe073f..a228c23651db 100644
--- a/pkgs/tools/audio/liquidsoap/full.nix
+++ b/pkgs/tools/audio/liquidsoap/full.nix
@@ -2,13 +2,18 @@
 , ocamlPackages
 , libao, portaudio, alsaLib, libpulseaudio, libjack2
 , libsamplerate, libmad, taglib, lame, libogg
-, libvorbis, speex, libtheora, libopus, fdk_aac
+, libvorbis, speex, libtheora, libopus
 , faad2, flac, ladspaH, ffmpeg, frei0r, dssi
 }:
 
 let
   pname = "liquidsoap";
-  version = "1.3.4";
+  version = "1.4.2";
+
+  ocaml-ffmpeg = fetchurl {
+    url = "https://github.com/savonet/ocaml-ffmpeg/releases/download/v0.4.2/ocaml-ffmpeg-0.4.2.tar.gz";
+    sha256 = "1lx5s1avds9fsh77828ifn71r2g89rxakhs8pp995a675phm9viw";
+  };
 
   packageFilters = map (p: "-e '/ocaml-${p}/d'" )
     [ "gstreamer" "shine" "aacplus" "schroedinger"
@@ -19,10 +24,17 @@ stdenv.mkDerivation {
   name = "${pname}-full-${version}";
 
   src = fetchurl {
-    url = "https://github.com/savonet/${pname}/releases/download/${version}/${pname}-${version}-full.tar.bz2";
-    sha256 = "11l1h42sljfxcdhddc8klya4bk99j7a1pndwnzvscb04pvmfmlk0";
+    url = "https://github.com/savonet/${pname}/releases/download/v${version}/${pname}-${version}-full.tar.gz";
+    sha256 = "0wkwnzj1a0vizv7sr1blwk5gzm2qi0n02ndijnq1i50cwrgxs1a4";
   };
 
+  # Use ocaml-srt and ocaml-fdkaac from nixpkgs
+  # Use ocaml-ffmpeg at 0.4.2 for compatibility with ffmpeg 4.3
+  prePatch = ''
+    rm -rf ocaml-srt*/ ocaml-fdkaac*/ ocaml-ffmpeg*/
+    tar xzf ${ocaml-ffmpeg}
+  '';
+
   preConfigure = /* we prefer system-wide libs */ ''
     sed -i "s|gsed|sed|" Makefile
     make bootstrap
@@ -42,10 +54,12 @@ stdenv.mkDerivation {
     [ which ocamlPackages.ocaml ocamlPackages.findlib
       libao portaudio alsaLib libpulseaudio libjack2
       libsamplerate libmad taglib lame libogg
-      libvorbis speex libtheora libopus fdk_aac
+      libvorbis speex libtheora libopus
       faad2 flac ladspaH ffmpeg frei0r dssi
       ocamlPackages.xmlm ocamlPackages.ocaml_pcre
       ocamlPackages.camomile
+      ocamlPackages.fdkaac
+      ocamlPackages.srt ocamlPackages.sedlex_2 ocamlPackages.menhir
     ];
 
   hardeningDisable = [ "format" "fortify" ];
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index f1c58a40adf2..83a20fd228b9 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -4857,7 +4857,6 @@ in
 
   liquidsoap = callPackage ../tools/audio/liquidsoap/full.nix {
     ffmpeg = ffmpeg-full;
-    ocamlPackages = ocaml-ng.ocamlPackages_4_07;
   };
 
   lksctp-tools = callPackage ../os-specific/linux/lksctp-tools { };