diff --git a/requirements.txt b/requirements.txt
index 8eba6a5a..bbff75f0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ aiohttp==3.8.5
 aiohttp-cors==0.7.0
 asyncpg==0.28.0
 jsonschema==4.19.0
-Cython==3.0.0
+Cython==3.0.2
 cyvcf2==0.30.22
 uvloop==0.17.0
 aiocache==0.11.1
diff --git a/setup.py b/setup.py
index 7c5945ac..04842642 100644
--- a/setup.py
+++ b/setup.py
@@ -51,7 +51,7 @@
         "vcf": [
             "numpy==1.25.2",
             "cyvcf2==0.30.22",
-            "Cython==3.0.0",
+            "Cython==3.0.2",
         ],
         "test": [
             "coverage==7.3.0",