diff --git a/platform/android/scripts/configure.sh b/platform/android/scripts/configure.sh
index 2e3e7b9d7..2e3d9bf8a 100644
--- a/platform/android/scripts/configure.sh
+++ b/platform/android/scripts/configure.sh
@@ -1,7 +1,7 @@
 #!/usr/bin/env bash
 
 BOOST_VERSION=1.59.0
-LIBPNG_VERSION=1.6.18
+LIBPNG_VERSION=1.6.20
 JPEG_VERSION=v9a
 SQLITE_VERSION=3.9.1
 LIBUV_VERSION=1.7.5
diff --git a/platform/linux/scripts/configure.sh b/platform/linux/scripts/configure.sh
index 1c2dff9d2..e82437680 100644
--- a/platform/linux/scripts/configure.sh
+++ b/platform/linux/scripts/configure.sh
@@ -4,7 +4,7 @@ BOOST_VERSION=1.59.0
 BOOST_LIBPROGRAM_OPTIONS_VERSION=1.59.0
 LIBCURL_VERSION=system
 GLFW_VERSION=3.1.2
-LIBPNG_VERSION=1.6.18
+LIBPNG_VERSION=1.6.20
 JPEG_VERSION=v9a
 SQLITE_VERSION=3.9.1
 LIBUV_VERSION=1.7.5
diff --git a/platform/osx/scripts/configure.sh b/platform/osx/scripts/configure.sh
index 138738bb4..0b431de89 100644
--- a/platform/osx/scripts/configure.sh
+++ b/platform/osx/scripts/configure.sh
@@ -4,7 +4,7 @@ BOOST_VERSION=1.59.0
 BOOST_LIBPROGRAM_OPTIONS_VERSION=1.59.0
 LIBCURL_VERSION=system
 GLFW_VERSION=3.1.2
-LIBPNG_VERSION=1.6.18
+LIBPNG_VERSION=1.6.20
 JPEG_VERSION=v9a
 SQLITE_VERSION=3.9.1
 LIBUV_VERSION=1.7.5