diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index ce7174a85..be13f34be 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Install build dependencies
         run: python -m pip install --upgrade build
diff --git a/cosmos/__init__.py b/cosmos/__init__.py
index fe8e7bf10..143860e55 100644
--- a/cosmos/__init__.py
+++ b/cosmos/__init__.py
@@ -5,7 +5,7 @@
 
 Contains dags, task groups, and operators.
 """
-__version__ = "1.4.0a3"
+__version__ = "1.4.0a4"
 
 
 from cosmos.airflow.dag import DbtDag
diff --git a/pyproject.toml b/pyproject.toml
index f0bf9b0b3..04486f552 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -108,7 +108,7 @@ path = "cosmos/__init__.py"
 include = ["/cosmos"]
 
 [tool.hatch.build.targets.wheel]
-packages = ["cosmos"]
+packages = ["/cosmos"]
 
 ######################################
 # TESTING