diff --git a/pypgstac/pypgstac/load.py b/pypgstac/pypgstac/load.py
index 58830bdc..f7123044 100644
--- a/pypgstac/pypgstac/load.py
+++ b/pypgstac/pypgstac/load.py
@@ -24,6 +24,7 @@
 import psycopg
 from orjson import JSONDecodeError
 from plpygis.geometry import Geometry
+from pkg_resources import parse_version as V
 from psycopg import sql
 from psycopg.types.range import Range
 from smart_open import open
@@ -161,10 +162,19 @@ def __init__(self, db: PgstacDB):
         self._partition_cache: Dict[str, Partition] = {}
 
     def check_version(self) -> None:
-        if self.db.version != __version__:
+        db_version = self.db.version
+        if db_version is None:
+            raise Exception("Failed to detect the target database version.")
+
+        v1 = V(db_version)
+        v2 = V(__version__)
+        if (v1.major, v1.minor) != (
+            v2.major,
+            v2.minor,
+        ):
             raise Exception(
                 f"pypgstac version {__version__} is not compatible with the target"
-                f" database version {self.db.version}."
+                f" database version {db_version}."
             )
 
     @lru_cache(maxsize=128)
diff --git a/pypgstac/setup.py b/pypgstac/setup.py
index 9bbf663f..3e701dc6 100644
--- a/pypgstac/setup.py
+++ b/pypgstac/setup.py
@@ -6,7 +6,7 @@
     desc = f.read()
 
 install_requires = [
-    "smart-open[html]>=4.2,<7.0",
+    "smart-open>=4.2,<7.0",
     "orjson>=3.5.2",
     "python-dateutil==2.8.*",
     "fire==0.4.*",
@@ -22,6 +22,7 @@
         "black>=21.7b0",
         "mypy>=0.910",
         "types-orjson==0.1.1",
+        "types-pkg-resources",
         "pystac[validation]==1.*"
     ],
     "psycopg": [
diff --git a/pypgstac/tests/test_load.py b/pypgstac/tests/test_load.py
index 204e97f1..bb486053 100644
--- a/pypgstac/tests/test_load.py
+++ b/pypgstac/tests/test_load.py
@@ -2,7 +2,8 @@
 import json
 from pathlib import Path
 from unittest import mock
-from pypgstac.load import Methods, Loader, read_json
+from pkg_resources import parse_version as V
+from pypgstac.load import Methods, Loader, read_json, __version__
 from psycopg.errors import UniqueViolation
 import pytest
 import pystac
@@ -28,6 +29,11 @@
 )
 
 
+def version_increment(source_version: str) -> str:
+    version = V(source_version)
+    return ".".join(map(str, [version.major, version.minor, version.micro + 1]))
+
+
 def test_load_collections_succeeds(loader: Loader) -> None:
     """Test pypgstac collections loader."""
     loader.load_collections(
@@ -357,6 +363,10 @@ def test_load_collections_incompatible_version(loader: Loader) -> None:
 
 def test_load_items_incompatible_version(loader: Loader) -> None:
     """Test pypgstac items loader raises an exception for incompatible version."""
+    loader.load_collections(
+        str(TEST_COLLECTIONS_JSON),
+        insert_mode=Methods.insert,
+    )
     with mock.patch(
         "pypgstac.db.PgstacDB.version", new_callable=mock.PropertyMock
     ) as mock_version:
@@ -366,3 +376,19 @@ def test_load_items_incompatible_version(loader: Loader) -> None:
                 str(TEST_ITEMS),
                 insert_mode=Methods.insert,
             )
+
+
+def test_load_compatible_major_minor_version(loader: Loader) -> None:
+    """Test pypgstac loader doesn't raise an exception."""
+    with mock.patch(
+        "pypgstac.load.__version__", version_increment(__version__)
+    ) as mock_version:
+        loader.load_collections(
+            str(TEST_COLLECTIONS_JSON),
+            insert_mode=Methods.insert,
+        )
+        loader.load_items(
+            str(TEST_ITEMS),
+            insert_mode=Methods.insert,
+        )
+        assert mock_version != loader.db.version