diff --git a/archives/libwebp-0.5.0.tar.gz b/archives/libwebp-0.5.0.tar.gz
deleted file mode 100644
index 9e5a4130f..000000000
Binary files a/archives/libwebp-0.5.0.tar.gz and /dev/null differ
diff --git a/archives/libwebp-0.5.1.tar.gz b/archives/libwebp-0.5.1.tar.gz
new file mode 100644
index 000000000..7c2350c65
Binary files /dev/null and b/archives/libwebp-0.5.1.tar.gz differ
diff --git a/osx_build_deps.sh b/osx_build_deps.sh
index 35b5c07c3..c9d708dc3 100644
--- a/osx_build_deps.sh
+++ b/osx_build_deps.sh
@@ -13,7 +13,7 @@ JPEG_VERSION=9b
 OPENJPEG_VERSION=2.1.0
 TIFF_VERSION=4.0.6
 LCMS_VERSION=2.7
-WEBP_VERSION=0.5.0
+WEBP_VERSION=0.5.1
 
 # Need cmake for openjpeg
 brew install cmake