diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index bf69a3656..fad05b4b1 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="4.2.0-1"
-export PIKA_PACKAGE_NAME="rust-zvariant-derive"
+export PIKA_PACKAGE_VERSION="4:24.08.1-1"
+export PIKA_PACKAGE_NAME="kgpg"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"