diff --git a/.gitmodules b/.gitmodules
index 54338030..d6da2b0b 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -7,3 +7,6 @@
 [submodule "freetype2"]
 	path = freetype2
 	url = git://git.sv.nongnu.org/freetype/freetype2.git
+[submodule "libpng"]
+	path = libpng
+	url = https://github.com/glennrp/libpng.git
diff --git a/libpng b/libpng
new file mode 160000
index 00000000..b78804f9
--- /dev/null
+++ b/libpng
@@ -0,0 +1 @@
+Subproject commit b78804f9a2568b270ebd30eca954ef7447ba92f7