diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4f3ca1a500..ffba5b315b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,8 @@
+## [Unreleased]
+
+### Enhancements
+- Upgrade issue-2939: dependency and package upgrades
+
 ## 0.21.5
 
 ### Fixes
diff --git a/unstructured/partition/utils/constants.py b/unstructured/partition/utils/constants.py
index 4b4dadeaa1..10d40bef08 100644
--- a/unstructured/partition/utils/constants.py
+++ b/unstructured/partition/utils/constants.py
@@ -84,6 +84,7 @@ class PartitionStrategy:
     "dzongkha": "dzo",
     "greek, modern": "ell",
     "greek": "ell",
+    "gr": "ell",
     "english": "eng",
     "english, middle": "enm",
     "esperanto": "epo",