diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 7a4fa7ea4..cf1d3a002 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="4.5.8+ds-1"
-export PIKA_PACKAGE_NAME="electrum"
+export PIKA_PACKAGE_VERSION="2.43.1-1"
+export PIKA_PACKAGE_NAME="binutils-avr"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"