diff --git a/archives/libpng-1.6.17.tar.gz b/archives/libpng-1.6.17.tar.gz
deleted file mode 100644
index ccc3b2243..000000000
Binary files a/archives/libpng-1.6.17.tar.gz and /dev/null differ
diff --git a/archives/libpng-1.6.18.tar.gz b/archives/libpng-1.6.18.tar.gz
new file mode 100644
index 000000000..d9ed998ce
Binary files /dev/null and b/archives/libpng-1.6.18.tar.gz differ
diff --git a/run_install.sh b/run_install.sh
index 2188a29c8..693e0a4d5 100644
--- a/run_install.sh
+++ b/run_install.sh
@@ -3,7 +3,7 @@ source terryfy/library_installers.sh
 
 # Package versions for fresh source builds
 FT_VERSION=2.6
-PNG_VERSION=1.6.17
+PNG_VERSION=1.6.18
 ZLIB_VERSION=1.2.8
 JPEG_VERSION=9a
 OPENJPEG_VERSION=2.1.0