diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index f432b611c..123b326d4 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="0.8.4-3"
-export PIKA_PACKAGE_NAME="haskell-aeson-qq"
+export PIKA_PACKAGE_VERSION="0.6.18-2"
+export PIKA_PACKAGE_NAME="haskell-jmacro"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"