diff --git a/CHANGELOG.md b/CHANGELOG.md
index 19ff214..b8490b8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,10 @@ This project adheres to [Semantic Versioning](http://semver.org/).
 
 ## Unreleased
 
+## 2.1.1 - 2019-03-11
+### Fixed
+* [#55](https://github.com/civisanalytics/python-glmnet/pull/55)
+  Include all Fortran source code in source tarball; exclude autogenerated C.
 
 ## 2.1.0 - 2019-03-11
 
diff --git a/MANIFEST.in b/MANIFEST.in
index 3ca1ddc..396ff41 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -4,3 +4,5 @@ include LICENSE
 recursive-include LICENSES *
 include versioneer.py
 include glmnet/_version.py
+include glmnet/*.pyf
+exclude glmnet/*.c