diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index a4bd2cc81..5e62b463f 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="5.6.2-3"
-export PIKA_PACKAGE_NAME="haskell-profunctors"
+export PIKA_PACKAGE_VERSION="1.2.2-1"
+export PIKA_PACKAGE_NAME="python-build"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"