diff --git a/.github/workflows/rbc_test.yml b/.github/workflows/rbc_test.yml
index c3cc4b32..a01bbc66 100644
--- a/.github/workflows/rbc_test.yml
+++ b/.github/workflows/rbc_test.yml
@@ -110,7 +110,7 @@ jobs:
         os: [ubuntu-latest]
         python-version: ['3.10', '3.9', '3.8']
         numba-version: ['0.56', '0.55']
-        heavydb-version: ['6.2', '6.1', '6.0']
+        heavydb-version: ['6.4', '6.2', '6.1']
         heavydb-from: [conda]
         # include:
         #   - os: ubuntu-latest
diff --git a/rbc/tests/heavydb/test_column_basic.py b/rbc/tests/heavydb/test_column_basic.py
index ddb292ff..74dadde8 100644
--- a/rbc/tests/heavydb/test_column_basic.py
+++ b/rbc/tests/heavydb/test_column_basic.py
@@ -550,9 +550,6 @@ def test_column_aggregate(heavydb, prop, oper):
     heavydb.reset()
     heavydb.register()
 
-    if prop == 'groupby':
-        pytest.skip('heavydb server crashes')
-
     if oper == 'single_value':
         if prop:
             return