diff --git a/setup.py b/setup.py
index 1ca534f..ddaab85 100644
--- a/setup.py
+++ b/setup.py
@@ -95,7 +95,7 @@ def get_version():
     ),
     extras_require=EXTRAS_REQUIRE,
     install_requires=[
-        "apache-airflow==2.1.4",
+        "apache-airflow==2.6.0",
         "cwltool==3.1.20210816212154",
         "cwltest==2.1.20210626101542",
         "jsonmerge",