diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index e3774c809..2d1790c60 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="5.34.0-1"
-export PIKA_PACKAGE_NAME="golang-github-containers-image"
+export PIKA_PACKAGE_VERSION="6.3.0-1"
+export PIKA_PACKAGE_NAME="kgamma"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"