diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index fa803e8f7..bb05bb568 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="1:1.56.0-2"
-export PIKA_PACKAGE_NAME="golang-github-valyala-fasthttp"
+export PIKA_PACKAGE_VERSION="0.2.0b2-3"
+export PIKA_PACKAGE_NAME="sphinx-theme-builder"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"