diff --git a/requirements-dev.txt b/requirements-dev.txt
index 043bc67..ea0bb8c 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -50,7 +50,7 @@ h11==0.14.0
     #   uvicorn
 h5py==3.9.0
     # via datahub (pyproject.toml)
-httpcore==0.18.0
+httpcore==1.0.0
     # via httpx
 httpx==0.25.0
     # via datahub (pyproject.toml)