diff --git a/CHANGELOG.txt b/CHANGELOG.txt
index 2ae27d3..8c5c6cb 100644
--- a/CHANGELOG.txt
+++ b/CHANGELOG.txt
@@ -6,6 +6,7 @@
 - Add official support for python 3.12
 - Enforce required `type` key for `Collection` and `Catalog` models
 - Add queryables link relation type (#123, @constantinius)
+- Fix STAC API Query Extension operator names from ne->neq, le->lte, and ge->gte (#120, @philvarner)
 
 3.0.0 (2024-01-25)
 ------------------
diff --git a/pyproject.toml b/pyproject.toml
index a05ddcf..b975144 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -87,6 +87,8 @@ exclude = ["tests", ".venv"]
 
 [tool.ruff]
 line-length = 88
+
+[tool.ruff.lint]
 select = [
         "C",
         "E",
diff --git a/stac_pydantic/api/extensions/query.py b/stac_pydantic/api/extensions/query.py
index bc88960..fd526f1 100644
--- a/stac_pydantic/api/extensions/query.py
+++ b/stac_pydantic/api/extensions/query.py
@@ -1,3 +1,6 @@
+"""Query Extension."""
+
+import warnings
 from enum import auto
 from types import DynamicClassAttribute
 from typing import Any, Callable
@@ -9,11 +12,14 @@
 
 _OPERATIONS = {
     "eq": lambda x, y: x == y,
-    "ne": lambda x, y: x != y,
+    "ne": lambda x, y: x != y,  # deprecated
+    "neq": lambda x, y: x != y,
     "lt": lambda x, y: x < y,
-    "le": lambda x, y: x <= y,
+    "le": lambda x, y: x <= y,  # deprecated
+    "lte": lambda x, y: x <= y,
     "gt": lambda x, y: x > y,
-    "ge": lambda x, y: x >= y,
+    "ge": lambda x, y: x >= y,  # deprecated
+    "gte": lambda x, y: x >= y,
     "startsWith": lambda x, y: x.startsWith(y),
     "endsWith": lambda x, y: x.endsWith(y),
     "contains": lambda x, y: y in x,
@@ -26,11 +32,14 @@ class Operator(str, AutoValueEnum):
     """
 
     eq = auto()
-    ne = auto()
+    ne = auto()  # deprecated
+    neq = auto()
     lt = auto()
-    le = auto()
+    le = auto()  # deprecated
+    lte = auto()
     gt = auto()
-    ge = auto()
+    ge = auto()  # deprecated
+    gte = auto()
     startsWith = auto()
     endsWith = auto()
     contains = auto()
@@ -38,4 +47,12 @@ class Operator(str, AutoValueEnum):
     @DynamicClassAttribute
     def operator(self) -> Callable[[Any, Any], bool]:
         """Return python operator"""
+        if self._value_ in ["ne", "ge", "le"]:
+            newvalue = self._value_.replace("e", "te")
+            warnings.warn(
+                f"`{self._value_}` is deprecated, please use `{newvalue}`",
+                DeprecationWarning,
+                stacklevel=3,
+            )
+
         return _OPERATIONS[self._value_]