diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index d3c346ba0..30bc0b87c 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="2.12.1-3"
-export PIKA_PACKAGE_NAME="plexus-compiler"
+export PIKA_PACKAGE_VERSION="0.2.12.0-1"
+export PIKA_PACKAGE_NAME="haskell-typed-process"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"