diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 2fdabfe01..06f8f86de 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="23.0.1+11-3"
-export PIKA_PACKAGE_NAME="openjdk-23"
+export PIKA_PACKAGE_VERSION="285"
+export PIKA_PACKAGE_NAME="diffoscope"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"