diff --git a/server/requirements.txt b/server/requirements.txt
index 7b46b4e4..aa275cf2 100644
--- a/server/requirements.txt
+++ b/server/requirements.txt
@@ -3,6 +3,7 @@
 # # wget https://repo.anaconda.com/archive/Anaconda3-2022.10-Linux-x86_64.sh
 # # bash Anaconda3-2022.10-Linux-x86_64.sh
 
+Cython==3.0.2
 uvicorn==0.21.1
 pyOpenSSL==23.1.1
 numpy==1.23.5