diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 063ac27..d9bacfd 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -43,19 +43,3 @@ jobs:
       run: |
         python setup.py install
         python -m unittest discover "tests/"
-
-  test27:
-    runs-on: ubuntu-latest
-
-    steps:
-    - uses: actions/checkout@v3
-
-    - name: Set up Python 2.7
-      uses: actions/setup-python@v4
-      with:
-        python-version: 2.7
-    - name: Run Tests 27
-      run: |
-        python setup.py install
-        python -m unittest discover "tests/"
-
diff --git a/pyevmasm/evmasm.py b/pyevmasm/evmasm.py
index c514cb8..668b4ba 100644
--- a/pyevmasm/evmasm.py
+++ b/pyevmasm/evmasm.py
@@ -315,6 +315,7 @@ def writes_to_memory(self):
     def reads_from_memory(self):
         """True if the instruction reads from memory"""
         return self.semantics in {
+            "SHA3",
             "MLOAD",
             "CREATE",
             "CALL",