diff --git a/build.sh b/build.sh
index d0a7d88..5f164d9 100755
--- a/build.sh
+++ b/build.sh
@@ -1,5 +1,6 @@
 #!/data/data/com.termux/files/usr/bin/bash
 set -x
+apt update
 apt -y install make clang openssl-dev perl tsu wget git python python-dev gnupg2 dirmngr curl autoconf automake sed gettext gzip pkg-config