diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 34e63f337..6b51c0e89 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="2024b-5"
-export PIKA_PACKAGE_NAME="tzdata"
+export PIKA_PACKAGE_VERSION="6.20250108"
+export PIKA_PACKAGE_NAME="dh-python"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"