diff --git a/MANIFEST.in b/MANIFEST.in
new file mode 100644
index 0000000..4f9ee36
--- /dev/null
+++ b/MANIFEST.in
@@ -0,0 +1,2 @@
+include *.h
+include **/*.h
diff --git a/pyBigWig.h b/pyBigWig.h
index 87927ac..77f79a4 100644
--- a/pyBigWig.h
+++ b/pyBigWig.h
@@ -2,7 +2,7 @@
 #include <structmember.h>
 #include "bigWig.h"
 
-#define pyBigWigVersion "0.3.19"
+#define pyBigWigVersion "0.3.20"
 
 typedef struct {
     PyObject_HEAD
diff --git a/pyproject.toml b/pyproject.toml
index 5f43aee..d31f71e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -3,7 +3,7 @@ build-backend = "setuptools.build_meta"
 requires = ["oldest-supported-numpy", "setuptools", "setuptools-scm"]
 
 [project]
-authors = [{name = "Devon P. Ryan", email = "ryan@ie-freiburg.mpg.de"}]
+authors = [{name = "Devon P. Ryan", email = "dryan79@gmail.com"}]
 classifiers = [
   "Development Status :: 5 - Production/Stable",
   "Intended Audience :: Developers",
@@ -20,7 +20,7 @@ classifiers = [
 description = "A package for accessing bigWig files using libBigWig"
 keywords = ["bioinformatics", "bigWig", "bigBed"]
 name = "pyBigWig"
-version = "0.3.19"
+version = "0.3.20"
 readme = "README.md"
 requires-python = ">=3.7"