diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index af09c81a9..695cef8ff 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="6.4.0+ds1-1"
-export PIKA_PACKAGE_NAME="python-fonticon-fontawesome6"
+export PIKA_PACKAGE_VERSION="1.6-8.19-3"
+export PIKA_PACKAGE_NAME="coq-unicoq"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"