diff --git a/ci/before_install.bash b/ci/before_install.bash
index 9acf6025..6537cae2 100755
--- a/ci/before_install.bash
+++ b/ci/before_install.bash
@@ -33,5 +33,6 @@ if [[ $TARGET == aarch64-unknown-linux-gnu ]]; then
     sudo apt-get install -y \
         gcc-4.8-aarch64-linux-gnu \
         binutils-aarch64-linux-gnu \
-        gcc-aarch64-linux-gnu
+        gcc-aarch64-linux-gnu \
+        libc6-dev-arm64-cross
 fi