diff --git a/poetry/build_gnu.sh b/poetry/build_gnu.sh
index a7b3aff66..82cd3b5c7 100755
--- a/poetry/build_gnu.sh
+++ b/poetry/build_gnu.sh
@@ -3,7 +3,9 @@ dp0="$(realpath "$(dirname "$0")")"
 set -e
 
 apt update
-apt install -y wget binutils clang
+apt install -y wget binutils curl clang
+
+curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y
 
 tool_name="poetry"
 tool_version="1.8.5"