diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 6982ca629..0d6a62fb7 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="0.43-1"
-export PIKA_PACKAGE_NAME="libpdl-linearalgebra-perl"
+export PIKA_PACKAGE_VERSION="0.7.91~git20230705.8eabf68-2"
+export PIKA_PACKAGE_NAME="ltrace"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"