diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 96d0a3cd2..b37daf577 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="1.4.2-1"
-export PIKA_PACKAGE_NAME="intlfonts"
+export PIKA_PACKAGE_VERSION="2.5-15"
+export PIKA_PACKAGE_NAME="cdecl"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"