diff --git a/CHANGES.md b/CHANGES.md
index 69e08004..f60e95f9 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,9 +1,10 @@
 # Changelog
 
-## [Unreleased] - TBD
+[Unreleased] - TBD
 
 ## Changed
 
+* switch from `fastapi` to `fastapi-slim` to avoid installing unwanted dependencies
 * replace Enum with `Literal` for `FilterLang`
 
 ## [3.0.0a0] - 2024-05-06
diff --git a/stac_fastapi/types/setup.py b/stac_fastapi/types/setup.py
index 0b9448e3..55f3ea10 100644
--- a/stac_fastapi/types/setup.py
+++ b/stac_fastapi/types/setup.py
@@ -6,7 +6,7 @@
     desc = f.read()
 
 install_requires = [
-    "fastapi>=0.100.0",
+    "fastapi-slim",
     "attrs>=23.2.0",
     "pydantic-settings>=2",
     "stac_pydantic>=3",