diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 635d5c0f7..7dc0e3c24 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="0.20.0+ds-1"
-export PIKA_PACKAGE_NAME="merkaartor"
+export PIKA_PACKAGE_VERSION="0.13.72+dfsg.1-1.3"
+export PIKA_PACKAGE_NAME="zziplib"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"