diff --git a/.gitignore b/.gitignore
index 952c0f8..07ad5e5 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,4 +3,5 @@
 **/__pycache__
 .python-version
 *.egg-info/
-dist/
\ No newline at end of file
+dist/
+build/
\ No newline at end of file
diff --git a/requirements.txt b/requirements.txt
index c6bb1fb..09411dd 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,2 +1,2 @@
-protobuf==3.19.1
+protobuf>=3.19
 pytest==6.2.5
\ No newline at end of file
diff --git a/setup.cfg b/setup.cfg
index 3c6f4f1..084e91e 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -2,7 +2,7 @@
 
 [metadata]
 name = yarnrunner-python
-version = 0.2.2
+version = 0.2.3
 author = Sam Weaver
 author_email = sweaver@relaypro.com
 description = An unofficial Python interpreter for compiled Yarn Spinner programs.
@@ -16,4 +16,6 @@ classifiers =
 
 [options]
 packages = yarnrunner_python
-python_requires = >=3.6
\ No newline at end of file
+python_requires = >=3.6
+install_requires =
+    protobuf >= 3.19
\ No newline at end of file