diff --git a/.github/workflows/unit_tests.yaml b/.github/workflows/unit_tests.yaml
index 02dd091..e74894f 100644
--- a/.github/workflows/unit_tests.yaml
+++ b/.github/workflows/unit_tests.yaml
@@ -27,7 +27,7 @@ jobs:
         cd src/ 
         pip install -e .
         pip install toml
-
+	pip install lark
     - name: (asm.py) Codeline Test Cases
       run: |
         cd src/unit_tests
@@ -71,4 +71,4 @@ jobs:
     - name: (config.py) All Test Cases
       run: |
         cd src/unit_tests
-        python3 -m unittest test_config
\ No newline at end of file
+        python3 -m unittest test_config