diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index f6c4c7c2e..cf91e684f 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="43.0.0-1"
-export PIKA_PACKAGE_NAME="python-cryptography-vectors"
+export PIKA_PACKAGE_VERSION="0.1.181-1"
+export PIKA_PACKAGE_NAME="rust-breezyshim"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"