diff --git a/scripts/ci/layered.sh b/scripts/ci/layered.sh
index 306f9c9974..78a490f7a8 100755
--- a/scripts/ci/layered.sh
+++ b/scripts/ci/layered.sh
@@ -14,12 +14,14 @@ scripts/fetchdep.sh matrix-org matrix-js-sdk
 pushd matrix-js-sdk
 yarn link
 yarn install
+yarn build:types
 popd
 
 # Now set up the react-sdk
 yarn link matrix-js-sdk
 yarn link
 yarn install
+yarn build:types
 
 # Finally, set up element-web
 scripts/fetchdep.sh vector-im element-web