diff --git a/src/cfnlint/data/AdditionalSpecs/LmbdRuntimeLifecycle.json b/src/cfnlint/data/AdditionalSpecs/LmbdRuntimeLifecycle.json
index 27e658fa9e..44d4efeb6e 100644
--- a/src/cfnlint/data/AdditionalSpecs/LmbdRuntimeLifecycle.json
+++ b/src/cfnlint/data/AdditionalSpecs/LmbdRuntimeLifecycle.json
@@ -33,5 +33,10 @@
         "eol": "2019-12-31",
         "deprecated": "2020-02-03",
         "successor": "nodejs10.x"
+    },
+    "python2.7": {
+        "eol": "2020-12-31",
+        "deprecated": "2020-12-31",
+        "successor": "python3.8"
     }
 }