diff --git a/example/depend-use-cmake-find/build.sh b/example/depend-use-cmake-find/build.sh
index 2106045..148b376 100755
--- a/example/depend-use-cmake-find/build.sh
+++ b/example/depend-use-cmake-find/build.sh
@@ -11,6 +11,8 @@ rm -rf $NAME babylon
 tar xzf $NAME.tar.gz
 mv $NAME babylon
 
+sudo apt install googletest
+
 cd babylon
 cmake -Bbuild -DCMAKE_INSTALL_PREFIX=$PWD/output -DBUILD_TESTING=OFF
 cmake --build build