diff --git a/.bumpversion.cfg b/.bumpversion.cfg
index 7b0eb32..9375bcd 100644
--- a/.bumpversion.cfg
+++ b/.bumpversion.cfg
@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 1.3.2
+current_version = 1.4.0
 tag_name = {new_version}
 commit = True
 tag = True
@@ -7,4 +7,3 @@ tag = True
 [bumpversion:file:setup.py]
 
 [bumpversion:file:dataset/__init__.py]
-
diff --git a/dataset/__init__.py b/dataset/__init__.py
index c371596..09c7a49 100644
--- a/dataset/__init__.py
+++ b/dataset/__init__.py
@@ -11,7 +11,7 @@ warnings.filterwarnings(
 )
 
 __all__ = ["Database", "Table", "connect"]
-__version__ = "1.3.2"
+__version__ = "1.4.0"
 
 
 def connect(
diff --git a/setup.py b/setup.py
index c4e0e08..1155c85 100644
--- a/setup.py
+++ b/setup.py
@@ -5,7 +5,7 @@ with open("README.md") as f:
 
 setup(
     name="dataset",
-    version="1.3.2",
+    version="1.4.0",
     description="Toolkit for Python-based database access.",
     long_description=long_description,
     long_description_content_type="text/markdown",
@@ -28,7 +28,7 @@ setup(
     namespace_packages=[],
     include_package_data=False,
     zip_safe=False,
-    install_requires=["sqlalchemy >= 1.3.2", "alembic >= 0.6.2", "banal >= 1.0.1"],
+    install_requires=["sqlalchemy >= 1.4.0", "alembic >= 0.6.2", "banal >= 1.0.1"],
     extras_require={
         "dev": [
             "pip",