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-rw-r--r--sdk/Makefile2
1 files changed, 1 insertions, 1 deletions
diff --git a/sdk/Makefile b/sdk/Makefile
index 4a6f350..e828ce7 100644
--- a/sdk/Makefile
+++ b/sdk/Makefile
@@ -27,7 +27,7 @@ VERSION_ZLIB := 1.2.8
VERSION_LIBICONV := 1.14
VERSION_LIBTRE := 0.8.0
VERSION_OPENSSL := 1.0.1r
-VERSION_LIBPNG := 1.6.19
+VERSION_LIBPNG := 1.6.21
VERSION_LIBJPEG := 8d
VERSION_LIBJPEG_TURBO := 1.4.2
VERSION_LIBCARES := 1.10.0