diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 9f2940cf3..147d18f4b 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="1.1.3.1-2"
-export PIKA_PACKAGE_NAME="haskell-universe-base"
+export PIKA_PACKAGE_VERSION="0.19.0.1-2"
+export PIKA_PACKAGE_NAME="haskell-ghc-events"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"