diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index ae2cfbb71..d949f7758 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="1.10.0-2"
-export PIKA_PACKAGE_NAME="libosmocore"
+export PIKA_PACKAGE_VERSION="3.3.4.2-1"
+export PIKA_PACKAGE_NAME="ruby-whitequark-parser"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"