diff --git a/.ci/install-env b/.ci/install-env
index 10316cb..fed211f 100755
--- a/.ci/install-env
+++ b/.ci/install-env
@@ -30,7 +30,7 @@ mkdir -p host_tools
 
 echo ">> Updating package database..."
 
-[ -n "$is_linux" ] && sudo apt-get update
+[ -n "$is_linux" ] && sudo apt-get update && sudo apt-get install libc++-dev
 
 echo ">> Installing meson..."