diff --git a/pkgs/applications/video/streamlink/default.nix b/pkgs/applications/video/streamlink/default.nix
index 3f5f0c05c308..6885caa7d60e 100644
--- a/pkgs/applications/video/streamlink/default.nix
+++ b/pkgs/applications/video/streamlink/default.nix
@@ -1,19 +1,25 @@
 { stdenv, pythonPackages, fetchFromGitHub, rtmpdump, ffmpeg }:
 
 pythonPackages.buildPythonApplication rec {
-  version = "0.12.1";
+  version = "0.13.0";
   name = "streamlink-${version}";
 
   src = fetchFromGitHub {
     owner = "streamlink";
     repo = "streamlink";
     rev = "${version}";
-    sha256 = "0r63fjp5qhnbp5kr4w2nn3gnj0wr0ik1pw1gyry8jl9rp2jq9db5";
+    sha256 = "17i5j5a69d28abg13md2r2ycxgmd5h1pjy0pgca1zcqaqfq4v05x";
   };
 
-  checkInputs = with pythonPackages; [ pytest mock requests-mock ];
+  postPatch = ''
+    # Fix failing test. This can be removed after version 0.13.0, see:
+    # https://github.com/streamlink/streamlink/commit/a27e1a2d8eec6eb23c6e1dc280c6afc1cd0b5b32
+    substituteInPlace tests/test_plugin.py --replace "lambda: datetime" "datetime"
+  '';
 
-  propagatedBuildInputs = (with pythonPackages; [ pycryptodome requests iso-639 iso3166 websocket_client ]) ++ [ rtmpdump ffmpeg ];
+  checkInputs = with pythonPackages; [ pytest mock requests-mock freezegun ];
+
+  propagatedBuildInputs = (with pythonPackages; [ pycryptodome requests iso-639 iso3166 websocket_client isodate ]) ++ [ rtmpdump ffmpeg ];
 
   meta = with stdenv.lib; {
     homepage = https://github.com/streamlink/streamlink;