diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index deab3295a..5b5ccc760 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="2.028-1"
-export PIKA_PACKAGE_NAME="libpdl-graphics-gnuplot-perl"
+export PIKA_PACKAGE_VERSION="0.6.2.0-5"
+export PIKA_PACKAGE_NAME="haskell-quickcheck-classes-base"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"