diff --git a/pkgs/development/libraries/mlt/default.nix b/pkgs/development/libraries/mlt/default.nix
index b56e33e4024..07c248fa58a 100644
--- a/pkgs/development/libraries/mlt/default.nix
+++ b/pkgs/development/libraries/mlt/default.nix
@@ -6,13 +6,13 @@
 
 stdenv.mkDerivation rec {
   pname = "mlt";
-  version = "6.18.0";
+  version = "6.20.0";
 
   src = fetchFromGitHub {
     owner = "mltframework";
     repo = "mlt";
     rev = "v${version}";
-    sha256 = "0iiqym15n8kbnjzj0asmm86gs23yykz0va5b475cc4v2vv5admgx";
+    sha256 = "14kayzas2wisyw0z27qkcm4qnxbdb7bqa0hg7gaj5kbm3nvsnafk";
   };
 
   buildInputs = [
diff --git a/pkgs/development/libraries/mlt/qt-5.nix b/pkgs/development/libraries/mlt/qt-5.nix
index 4d7ecd92e61..cb8ee0ce849 100644
--- a/pkgs/development/libraries/mlt/qt-5.nix
+++ b/pkgs/development/libraries/mlt/qt-5.nix
@@ -7,13 +7,13 @@ let inherit (stdenv.lib) getDev; in
 
 stdenv.mkDerivation rec {
   pname = "mlt";
-  version = "6.18.0";
+  version = "6.20.0";
 
   src = fetchFromGitHub {
     owner = "mltframework";
     repo = "mlt";
     rev = "v${version}";
-    sha256 = "0iiqym15n8kbnjzj0asmm86gs23yykz0va5b475cc4v2vv5admgx";
+    sha256 = "14kayzas2wisyw0z27qkcm4qnxbdb7bqa0hg7gaj5kbm3nvsnafk";
   };
 
   buildInputs = [