diff --git a/server/pyproject.toml b/server/pyproject.toml
index c6bcab6d..87093fae 100644
--- a/server/pyproject.toml
+++ b/server/pyproject.toml
@@ -28,7 +28,7 @@ dependencies = [
     "click",
     "boto3",
     "botocore",
-    "fusor ~= 0.3.0",
+    "fusor ~= 0.4.0",
     "cool-seq-tool ~= 0.7.0",
     "pydantic == 2.4.2",
     "gene-normalizer ~= 0.4.0",