diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 4c093912a..61badbef4 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="0.7.2-1"
-export PIKA_PACKAGE_NAME="rust-btree-range-map"
+export PIKA_PACKAGE_VERSION="0.34-1"
+export PIKA_PACKAGE_NAME="ccdiff"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"