diff --git a/aw_datastore/storages/peewee.py b/aw_datastore/storages/peewee.py
index 5110eed..b04ac9c 100644
--- a/aw_datastore/storages/peewee.py
+++ b/aw_datastore/storages/peewee.py
@@ -13,7 +13,11 @@
 from aw_core.dirs import get_data_dir
 from aw_core.models import Event
 from playhouse.migrate import SqliteMigrator, migrate
-from playhouse.sqlite_ext import SqliteExtDatabase
+try:
+    from playhouse.sqlite_ext import SqliteExtDatabase
+except ImportError:
+    # peewee 4 is missing SqliteExtDatabase
+    from peewee import SqliteDatabase as SqliteExtDatabase
 
 import peewee
 from peewee import (
diff --git a/pyproject.toml b/pyproject.toml
index d6acc51..983a14a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -22,7 +22,7 @@ aw-cli = "aw_cli.__main__:main"
 [tool.poetry.dependencies]
 python = "^3.8"
 jsonschema = "^4.3"
-peewee = "3.*"
+peewee = ">=3.0.0,<5.0.0"
 platformdirs = "3.10"  # pinned due to sometimes breaking changes in minor versions: https://github.com/ActivityWatch/aw-core/pull/122#issuecomment-1768020335
 iso8601 = "*"
 rfc3339-validator = "^0.1.4"  # needed for the date-type format in jsonschema