diff --git a/buildout/software-profiles/libpng.cfg b/buildout/software-profiles/libpng.cfg
index 5c0fb4966e853f486fbcbbf135ba5290549b9e46..31083fd018b7a193f841808532e696dc4cf309a9 100644
--- a/buildout/software-profiles/libpng.cfg
+++ b/buildout/software-profiles/libpng.cfg
@@ -7,8 +7,8 @@ parts =
 
 [libpng]
 recipe = hexagonit.recipe.cmmi
-url = http://download.sourceforge.net/libpng/libpng-1.4.4.tar.gz
-md5sum = 297b38f925e745061489b41b1f7c4bb1
+url = http://download.sourceforge.net/libpng/libpng-1.4.5.tar.bz2
+md5sum = d500e117e4a08d5ca3bd51dca0a0bc5f
 environment =
   CPPFLAGS =-I${zlib:location}/include
   LDFLAGS =-L${zlib:location}/lib -Wl,-rpath -Wl,${zlib:location}/lib