diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 3e370bd6f..3dcfbc0b8 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="2.13.2-6"
-export PIKA_PACKAGE_NAME="zc.buildout"
+export PIKA_PACKAGE_VERSION="3.6.0-4"
+export PIKA_PACKAGE_NAME="libsoup3"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"