diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 053da895a..86cf9a542 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="1.59.3120-2"
-export PIKA_PACKAGE_NAME="64tass"
+export PIKA_PACKAGE_VERSION="4.9j+dfsg-6"
+export PIKA_PACKAGE_NAME="paml"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"