diff --git a/requirements.txt b/requirements.txt
index a698e84..ed263d2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-optimade[server]==1.0.4
+optimade[server]==1.1.3
 uvicorn[standard]
 git+https://github.com/ml-evs/matador@7b4e2a0fae2d96946af466c048fa5f7622607ea2
 numpy