diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 2e4436569..3eb9c5ab6 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="4.6.0-1-1"
-export PIKA_PACKAGE_NAME="r-cran-bit64"
+export PIKA_PACKAGE_VERSION="1.7.0-2"
+export PIKA_PACKAGE_NAME="php-slim-psr7"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"