diff --git a/spec/travis_build.sh b/spec/travis_build.sh
index 736f55c..098a577 100755
--- a/spec/travis_build.sh
+++ b/spec/travis_build.sh
@@ -1,7 +1,7 @@
 #/usr/bin/env sh
-wget http://downloads.webmproject.org/releases/webp/libwebp-0.4.2.tar.gz
-tar xvzf libwebp-0.4.2.tar.gz
-cd libwebp-0.4.2
+wget https://webp.googlecode.com/files/libwebp-0.4.0.tar.gz
+tar xvzf libwebp-0.4.0.tar.gz
+cd libwebp-0.4.0
 ./configure
 make && sudo make install
-sudo ln -fs /usr/local/lib/libwebp.* /usr/lib/
+sudo ln -fs /usr/local/lib/libwebp.* /usr/lib/
\ No newline at end of file