diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 9eadfb7b0..b13e08d75 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -2,4 +2,4 @@ export PIKA_PACKAGE_VERSION="1:3.5.1-12"
 export PIKA_PACKAGE_NAME="amanda"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
-export PIKA_REBUILD_VERSION="b2"
+export PIKA_REBUILD_VERSION="b3"