diff --git a/matrix/matrix-media-repo/default.nix b/matrix/matrix-media-repo/default.nix
index ab5691b..4ec0ad3 100644
--- a/matrix/matrix-media-repo/default.nix
+++ b/matrix/matrix-media-repo/default.nix
@@ -11,6 +11,7 @@
     nativeBuildInputs = [
       pkgs.git
     ];
+    buildInputs = [ pkgs.libde265 ];
     CGO_ENABLED = "1";
     buildPhase = ''
       GOBIN=$PWD/bin go install -v ./cmd/compile_assets