diff --git a/.github/workflows/build_riscv_rva23.yml b/.github/workflows/build_riscv_rva23.yml
index 70540ab..1183270 100644
--- a/.github/workflows/build_riscv_rva23.yml
+++ b/.github/workflows/build_riscv_rva23.yml
@@ -4,6 +4,10 @@ on:
   push:
   pull_request:
 
+permissions:
+  contents: read
+  actions: read
+
 env:
   CARGO_TERM_COLOR: always