diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 16dd578b1..d6499a18d 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="4.29-2"
-export PIKA_PACKAGE_NAME="eclipse-jdt-core"
+export PIKA_PACKAGE_VERSION="1.4.3-7"
+export PIKA_PACKAGE_NAME="amgcl"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"