diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 3e0ca4035..86defec8e 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="44-2"
-export PIKA_PACKAGE_NAME="gitg"
+export PIKA_PACKAGE_VERSION="4.34-1"
+export PIKA_PACKAGE_NAME="libmath-mpfr-perl"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"