diff --git a/recipes/fontconfig.toml b/recipes/fontconfig.toml
index 41b302ed..da6f607b 100644
--- a/recipes/fontconfig.toml
+++ b/recipes/fontconfig.toml
@@ -12,5 +12,7 @@ link     = "static"
 configure = "./configure --prefix=/usr --sysconfdir=/etc --disable-shared --enable-static --disable-docs"
 compile   = "make"
 install   = "make install DESTDIR=/out"
+# libpng+zlib: freetype se compila --with-png, así que freetype2.pc trae `Requires: libpng`
+# (y libpng.pc → zlib); sin ellos pkg-config no resuelve freetype2 y ./configure aborta.
 [deps]
-build = ["freetype", "expat", "pkgconf", "gperf", "python3"]
+build = ["freetype", "expat", "pkgconf", "gperf", "python3", "libpng", "zlib"]