diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index bc16c8cdc..4cd22a996 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="3.22.1-2"
-export PIKA_PACKAGE_NAME="petsc4py"
+export PIKA_PACKAGE_VERSION="4.5.0-1"
+export PIKA_PACKAGE_NAME="python-can"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"