diff --git a/CHANGES.md b/CHANGES.md
index 4e42792..304b02d 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -6,6 +6,10 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/).
 
 Note: Minor version `0.X.0` update might break the API, It's recommended to pin `tipg` to minor version: `tipg>=0.1,<0.2`
 
+## [0.7.1] - 2025-05-07
+
+* move to `fastapi-slim` to avoid unwanted dependencies
+
 ## [0.7.0] - 2024-04-01
 
 - update leaflet version
diff --git a/pyproject.toml b/pyproject.toml
index d67a799..f31e3ce 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -24,7 +24,7 @@ dependencies = [
     "orjson",
     "asyncpg>=0.23.0",
     "buildpg>=0.3",
-    "fastapi>=0.107.0",
+    "fastapi-slim",
     "jinja2>=2.11.2,<4.0.0",
     "morecantile>=5.0,<6.0",
     "pydantic>=2.4,<3.0",