diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index d86a50dfa..cc4f7d4be 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="0.13.2-3"
-export PIKA_PACKAGE_NAME="rust-pgp"
+export PIKA_PACKAGE_VERSION="2.2.0+dfsg-3.1"
+export PIKA_PACKAGE_NAME="rxtx"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"