diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index afd1fd449..d4a647bc7 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="0.6.1.1-4"
-export PIKA_PACKAGE_NAME="haskell-bencode"
+export PIKA_PACKAGE_VERSION="0.5.1-1"
+export PIKA_PACKAGE_NAME="haskell-cond"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"