diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 511d76832..6d390fade 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="0.13.3-1"
-export PIKA_PACKAGE_NAME="rust-if-addrs"
+export PIKA_PACKAGE_VERSION="6.5.0+dfsg-4"
+export PIKA_PACKAGE_NAME="gmt"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"