diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 1bc7cb5d8..ee7a50f3b 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="8.2-5"
-export PIKA_PACKAGE_NAME="php-memcache"
+export PIKA_PACKAGE_VERSION="1.7.2+ds-31"
+export PIKA_PACKAGE_NAME="rust-isahc"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"