diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index b5b64d8c8..8aad8da84 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="1.116.0-1"
-export PIKA_PACKAGE_NAME="matrix-synapse"
+export PIKA_PACKAGE_VERSION="3.10.3.0-1"
+export PIKA_PACKAGE_NAME="haskell-cabal-install-solver"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"