diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 1ee12c85a..82f2bea51 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="1:29.4+1-1"
-export PIKA_PACKAGE_NAME="emacs-non-dfsg"
+export PIKA_PACKAGE_VERSION="4.2.0-1"
+export PIKA_PACKAGE_NAME="ruby-liquid-c"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"