diff --git a/requirements.txt b/requirements.txt
index 5003d16..7d33056 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -11,7 +11,7 @@ coverage==6.4.4
 git+https://github.com/DiamondLightSource/diffcalc-core.git#egg=diffcalc-core
 distlib==0.3.6
 docutils==0.19
-fastapi==0.79.0
+fastapi==0.81.0
 filelock==3.8.0
 flake8==5.0.4
 flake8-isort==4.2.0
@@ -53,7 +53,6 @@ scipy==1.9.1
 setuptools==65.3.0
 sniffio==1.2.0
 snowballstemmer==2.2.0
-starlette==0.19.1
 toml==0.10.2
 tomli==2.0.1
 typed-ast==1.5.4