diff --git a/index/gn/gnat_native/gnat_native-13.2.1.toml b/index/gn/gnat_native/gnat_native-13.2.1.toml
index f03a0e28..02fb538f 100644
--- a/index/gn/gnat_native/gnat_native-13.2.1.toml
+++ b/index/gn/gnat_native/gnat_native-13.2.1.toml
@@ -14,6 +14,8 @@ disabled = true
 
 [environment]
 PATH.prepend = "${CRATE_ROOT}/bin"
+LD_LIBRARY_PATH.prepend = "${CRATE_ROOT}/lib64"
+LD_RUN_PATH.prepend = "${CRATE_ROOT}/lib64"
 
 [origin."case(os)".linux."case(host-arch)".x86-64]
 url = "https://github.com/alire-project/GNAT-FSF-builds/releases/download/gnat-13.2.0-1/gnat-x86_64-linux-13.2.0-1.tar.gz"