diff --git a/pkgs/tools/video/rtmpdump/default.nix b/pkgs/tools/video/rtmpdump/default.nix
index 5f301ae8891..6e05f81fcd8 100644
--- a/pkgs/tools/video/rtmpdump/default.nix
+++ b/pkgs/tools/video/rtmpdump/default.nix
@@ -15,13 +15,13 @@ assert (gnutlsSupport || opensslSupport);
 with lib;
 stdenv.mkDerivation {
   pname = "rtmpdump";
-  version = "unstable-2019-03-30";
+  version = "unstable-2021-02-19";
 
   src = fetchgit {
     url = "git://git.ffmpeg.org/rtmpdump";
     # Currently the latest commit is used (a release has not been made since 2011, i.e. '2.4')
-    rev = "c5f04a58fc2aeea6296ca7c44ee4734c18401aa3";
-    sha256 = "07ias612jgmxpam9h418kvlag32da914jsnjsfyafklpnh8gdzjb";
+    rev = "f1b83c10d8beb43fcc70a6e88cf4325499f25857";
+    sha256 = "0vchr0f0d5fi0zaa16jywva5db3x9dyws7clqaq32gwh5drbkvs0";
   };
 
   patches = [