diff --git a/install/extra-wheels.sh b/install/extra-wheels.sh
index e101d111851fd9b58e6f802276d87398474ae070..699fe00d57fe57320af2b3d6343599c1ec7e0b01 100755
--- a/install/extra-wheels.sh
+++ b/install/extra-wheels.sh
@@ -4,6 +4,7 @@
 # Set the versions here
 CYVLFEAT="git+https://github.com/menpo/cyvlfeat@v0.4.5"
 MENPO="pathlib==1.0 git+https://github.com/menpo/menpo@v0.7.3 git+https://github.com/menpo/menpofit@v0.4.1"
+SCHEMA="schema"
 
 if [ "${#}" != 2 ]; then
   echo "usage: `basename $0` <basedir> <name>"
@@ -26,3 +27,4 @@ else
   CFLAGS="-I${CONDA_PREFIX}/include -mmacosx-version-min=10.9" LDFLAGS="-L${CONDA_PREFIX}/lib -lvl -Wl,-headerpad_max_install_names" pip --no-cache-dir wheel --no-deps ${CYVLFEAT}
 fi
 pip --no-cache-dir wheel --no-deps ${MENPO}
+pip --no-cache-dir wheel --no-deps ${SCHEMA}