diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index d9dd32f6e..9d00cf0db 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="26.1.4+dfsg1-9"
-export PIKA_PACKAGE_NAME="docker.io"
+export PIKA_PACKAGE_VERSION="4:22.12.3-1"
+export PIKA_PACKAGE_NAME="kmail"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"