diff --git a/identify/extensions.py b/identify/extensions.py
index 8e650ed..67d601a 100644
--- a/identify/extensions.py
+++ b/identify/extensions.py
@@ -62,6 +62,7 @@
     'gypi': {'text', 'gyp', 'python'},
     'gz': {'binary', 'gzip'},
     'h': {'text', 'header', 'c', 'c++'},
+    'hcl': {'text', 'hcl'},
     'hh': {'text', 'header', 'c++'},
     'hpp': {'text', 'header', 'c++'},
     'hs': {'text', 'haskell'},