diff --git a/contentctl/helper/splunk_app.py b/contentctl/helper/splunk_app.py
index 6e0d877f..23d79009 100644
--- a/contentctl/helper/splunk_app.py
+++ b/contentctl/helper/splunk_app.py
@@ -385,7 +385,7 @@ def download(
 
                 # Validate the filename is the expected .tgz file
                 filename = Path(value.strip().strip('"'))
-                if filename.suffixes != [".tgz"]:
+                if filename.suffixes != [".tar", ".gz"]:
                     raise ValueError(
                         f"Filename has unexpected extension(s): {filename.suffixes}"
                     )
diff --git a/pyproject.toml b/pyproject.toml
index a919b670..f035e4cb 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,7 +1,7 @@
 [tool.poetry]
 name = "contentctl"
 
-version = "5.5.15"
+version = "5.5.16"
 
 description = "Splunk Content Control Tool"
 authors = ["STRT <research@splunk.com>"]