diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 692030487..77c52905b 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="12.02.00-1"
-export PIKA_PACKAGE_NAME="icmake"
+export PIKA_PACKAGE_VERSION="3.1-1"
+export PIKA_PACKAGE_NAME="libargparse"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b3"