diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 6722a1a1b..e6e5b15a2 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="4-5"
-export PIKA_PACKAGE_NAME="golang-github-coreos-pkg"
+export PIKA_PACKAGE_VERSION="1.20.0-2"
+export PIKA_PACKAGE_NAME="php-phpspec-prophecy"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"