diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index faa6d0228..d89f86a29 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="2.3.5+dfsg2-8"
-export PIKA_PACKAGE_NAME="esys-particle"
+export PIKA_PACKAGE_VERSION="20241212-1"
+export PIKA_PACKAGE_NAME="tifffile"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"