diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index cfbfabb42..7a0b6bcec 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="5.3.1.2-1"
-export PIKA_PACKAGE_NAME="haskell-lambdabot-misc-plugins"
+export PIKA_PACKAGE_VERSION="9.6.0.2-1"
+export PIKA_PACKAGE_NAME="haskell-ghc-lib-parser-ex"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"