diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index b3c7e00e3..27795bfe4 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="1.2.6-1"
-export PIKA_PACKAGE_NAME="tcl-syslog"
+export PIKA_PACKAGE_VERSION="3.51.0-1"
+export PIKA_PACKAGE_NAME="pygobject"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"