diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 888d3f63b..29d1c584a 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="0.0.10-1"
-export PIKA_PACKAGE_NAME="libstring-license-perl"
+export PIKA_PACKAGE_VERSION="3.11.2-1"
+export PIKA_PACKAGE_NAME="libregexp-pattern-license-perl"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b3"