diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 69aabf2ae..f55414ac3 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="1.20241001-1"
-export PIKA_PACKAGE_NAME="libmodern-perl-perl"
+export PIKA_PACKAGE_VERSION="1.15.0+ds1-8"
+export PIKA_PACKAGE_NAME="tomopy"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"