diff --git a/deps/scripts/install_ceres.bash b/deps/scripts/install_ceres.bash
index 3b17c31f..4a8e21a1 100755
--- a/deps/scripts/install_ceres.bash
+++ b/deps/scripts/install_ceres.bash
@@ -5,15 +5,12 @@ source "$BASEDIR/config.bash"
 
 echo "installing ceres-solver ..."
 
-# apt_install libunwind-dev
+apt_install libunwind-dev
 apt_install libgflags-dev
 apt_install libgoogle-glog-dev
 # apt_install libceres-dev
 # apt_install libceres2
 
-# Dependencies
-# apt_install libtbb2-dev
-
 # Clone
 if [ ! -d $INSTALL_PREFIX/src/ceres-solver ]; then
   cd $INSTALL_PREFIX/src