diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index f7adc9279..119cb7a8b 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="0.10.5-3"
-export PIKA_PACKAGE_NAME="pantalaimon"
+export PIKA_PACKAGE_VERSION="1.0.215-1"
+export PIKA_PACKAGE_NAME="rust-serde-derive"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"