diff --git a/beagle/__init__.py b/beagle/__init__.py
index 55f47b044..b19ee4b77 100644
--- a/beagle/__init__.py
+++ b/beagle/__init__.py
@@ -1 +1 @@
-__version__ = "2.1.10"
+__version__ = "2.2.1"
diff --git a/runner/operator/helix_filters/v23_2_0/bin/oncotree_data_handler/OncotreeDataHandler.py b/runner/operator/helix_filters/v23_2_0/bin/oncotree_data_handler/OncotreeDataHandler.py
index 961aeb172..5bd6b047a 100644
--- a/runner/operator/helix_filters/v23_2_0/bin/oncotree_data_handler/OncotreeDataHandler.py
+++ b/runner/operator/helix_filters/v23_2_0/bin/oncotree_data_handler/OncotreeDataHandler.py
@@ -7,6 +7,22 @@
 class OncotreeDataHandler:
     def __init__(self):
         self.oncotree = self.fetch_oncotree_data()
+        self.oncotree["TISSUE"] = OncotreeNode(
+            {
+                "code": "TISSUE",
+                "color": None,
+                "name": "Tissue",
+                "mainType": None,
+                "externalReferences": {"UMLS": ["C0040300"], "NCI": ["C12801"]},
+                "tissue": None,
+                "children": {},
+                "parent": None,
+                "history": [],
+                "level": 0,
+                "revocations": [],
+                "precursors": [],
+            }
+        )
 
     def fetch_oncotree_data(self):
         oncotree_dir = os.path.dirname(__file__)