diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 2c7a2f3b1..895b4b9ce 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="4:6.2.90-1"
-export PIKA_PACKAGE_NAME="polkit-kde-agent-1"
+export PIKA_PACKAGE_VERSION="9.2.9+dfsg-1"
+export PIKA_PACKAGE_NAME="swi-prolog"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"