diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index b42661c13..0830c1c37 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="1.0.210-1"
-export PIKA_PACKAGE_NAME="rust-serde-derive"
+export PIKA_PACKAGE_VERSION="5.4.3+ds-2"
+export PIKA_PACKAGE_NAME="assimp"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"