diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 6f3c6c46f..b9dd502be 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="0.18-1"
-export PIKA_PACKAGE_NAME="libtext-markdown-discount-perl"
+export PIKA_PACKAGE_VERSION="0.17.0-3"
+export PIKA_PACKAGE_NAME="ppx-yojson-conv"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"