diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index 27bc492..93f2043 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -42,6 +42,10 @@ jobs:
         run: | 
           cd riscv
           cargo build --example riscv --verbose
+      - name: Build MIPS
+        run: | 
+          cd mips-lib
+          cargo build
   rustfmt:
     runs-on: ubuntu-latest
     steps: