diff --git a/semantic-conventions/hs-opentelemetry-semantic-conventions.cabal b/semantic-conventions/hs-opentelemetry-semantic-conventions.cabal
index 12b9a1a2..dd65f8e1 100644
--- a/semantic-conventions/hs-opentelemetry-semantic-conventions.cabal
+++ b/semantic-conventions/hs-opentelemetry-semantic-conventions.cabal
@@ -12,7 +12,8 @@ description:
   This module's version A.B.X.Y means that A.B is the version of the original semantic-conventions,
   and X.Y is the version of this module.
 
-extra-source-files: model/model/**/*.y*ml
+extra-source-files: model/model/**/*.yaml,
+                    model/model/**/*.yml
 
 common common
   build-depends: base >= 4 && < 5