diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 32c16da37..5277a126b 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="2:8.39-15.1"
-export PIKA_PACKAGE_NAME="pcre3"
+export PIKA_PACKAGE_VERSION="13"
+export PIKA_PACKAGE_NAME="gcc-riscv64-unknown-elf"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"