diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index fbf7e21f2..9bbeba989 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="0.2.0-1"
-export PIKA_PACKAGE_NAME="ruby-proc-to-ast"
+export PIKA_PACKAGE_VERSION="1.5.7.4-0.2"
+export PIKA_PACKAGE_NAME="zfec"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"