diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index f6419347a..09e158fae 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="2.5.9-1"
-export PIKA_PACKAGE_NAME="thermald"
+export PIKA_PACKAGE_VERSION="3.4.0~rc.3+ds-2"
+export PIKA_PACKAGE_NAME="seqan3"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"