diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 24a8c9ca3cc7..dfd10b2c6e98 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -3380,6 +3380,7 @@ let
   libpcap = callPackage ../development/libraries/libpcap { };
 
   libpng = callPackage ../development/libraries/libpng { };
+  libpng_apng = callPackage ../development/libraries/libpng/libpng-apng.nix { };
 
   libproxy = callPackage ../development/libraries/libproxy { };