diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 699294b85..3d0a3bd0e 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="3.4.1-6"
-export PIKA_PACKAGE_NAME="pcalendar"
+export PIKA_PACKAGE_VERSION="3.3.1+dfsg-1"
+export PIKA_PACKAGE_NAME="critcl"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"