diff --git a/extra/libpng/checksums b/extra/libpng/checksums
index e7f42799..d0278b60 100644
--- a/extra/libpng/checksums
+++ b/extra/libpng/checksums
@@ -1,2 +1,2 @@
-505e70834d35383537b6491e7ae8641f1a4bed1876dbfe361201fc80868d88ca  libpng-1.6.37.tar.xz
+ca74a0dace179a8422187671aee97dd3892b53e168627145271cad5b5ac81307  v1.6.37.tar.gz
 18b71dcd329af6ddb483cb6d145535861e04918f7eb95e8051545f0bbce7d517  libpng-1.6.37-apng.patch
diff --git a/extra/libpng/sources b/extra/libpng/sources
index ea0e94e3..d6556f0c 100644
--- a/extra/libpng/sources
+++ b/extra/libpng/sources
@@ -1,2 +1,2 @@
-https://downloads.sourceforge.net/libpng/libpng-1.6.37.tar.xz
+https://github.com/glennrp/libpng/archive/v1.6.37.tar.gz
 patches/libpng-1.6.37-apng.patch