diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index ebbd2f9b8..afec3d4f3 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="2:4.21.0+dfsg-1"
-export PIKA_PACKAGE_NAME="samba"
+export PIKA_PACKAGE_VERSION="0.20.1-1"
+export PIKA_PACKAGE_NAME="rust-pangocairo-sys"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"