diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index d15f0941f..5876274b8 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,6 +1,6 @@
-export PIKA_PACKAGE_VERSION="2.6.2+20170630-3.3"
-export PIKA_PACKAGE_NAME="mp3splt"
+export PIKA_PACKAGE_VERSION="1:2.49.20241103.git386dcd7-2"
+export PIKA_PACKAGE_NAME="clisp"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
-export PIKA_REBUILD_VERSION="b0"
-export PIKA_BUILD_ATTEMPT="0"
\ No newline at end of file
+export PIKA_REBUILD_VERSION="b3"
+export PIKA_BUILD_ATTEMPT="3"
\ No newline at end of file