diff --git a/src/install-dependencies.sh b/src/install-dependencies.sh
index 7d40940..61070b8 100755
--- a/src/install-dependencies.sh
+++ b/src/install-dependencies.sh
@@ -15,7 +15,7 @@ PNGQUANT_EXE="$PNGQUANT_BUILD_DIR/pngquant"
 ZOPFLIPNG_BUILD_DIR="$HOME/zopfli"
 ZOPFLIPNG_EXE="$ZOPFLIPNG_BUILD_DIR/zopflipng"
 
-PNGQUANT_VERSION_TAG="2.12.5"
+PNGQUANT_VERSION_TAG="2.13.0"
 ZOPFLIPNG_VERSION_TAG="v2.2.0"
 LIBPNG_VERSION="1.6.37"
 LIBPNG_VERSION_DOWNLOAD="libpng16/$LIBPNG_VERSION/libpng-$LIBPNG_VERSION.tar.xz"