diff --git a/pkgs/development/libraries/gstreamer/libav/default.nix b/pkgs/development/libraries/gstreamer/libav/default.nix
index 94e4871622ad8..2ce4200719425 100644
--- a/pkgs/development/libraries/gstreamer/libav/default.nix
+++ b/pkgs/development/libraries/gstreamer/libav/default.nix
@@ -5,6 +5,7 @@
 , ninja
 , pkg-config
 , python3
+, hotdoc
 , gstreamer
 , gst-plugins-base
 , gettext
@@ -16,11 +17,11 @@
 
 stdenv.mkDerivation rec {
   pname = "gst-libav";
-  version = "1.20.3";
+  version = "1.22.2";
 
   src = fetchurl {
     url = "https://gstreamer.freedesktop.org/src/${pname}/${pname}-${version}.tar.xz";
-    sha256 = "sha256-P+3RBWD836obZGLL95o4xOe1fX85A1k5P8DO9tvyff4=";
+    hash = "sha256-/Kr5h4/o87yCMX7xOhVYgky2jfH4loxnl/VWxeM7z/0=";
   };
 
   outputs = [ "out" "dev" ];
@@ -31,6 +32,9 @@ stdenv.mkDerivation rec {
     gettext
     pkg-config
     python3
+
+    # documentation
+    hotdoc
   ];
 
   buildInputs = [
@@ -39,10 +43,6 @@ stdenv.mkDerivation rec {
     libav
   ];
 
-  mesonFlags = [
-    "-Ddoc=disabled" # `hotdoc` not packaged in nixpkgs as of writing
-  ];
-
   postPatch = ''
     patchShebangs \
       scripts/extract-release-date-from-doap-file.py