diff --git a/requirements.txt b/requirements.txt
index 3b38204d..d2bf1bec 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 cryptography==40.0.2
 npg_id_generation@https://github.com/wtsi-npg/npg_id_generation/releases/download/3.0.0/npg_id_generation-3.0.0.tar.gz
 partisan@https://github.com/wtsi-npg/partisan/releases/download/2.5.1/partisan-2.5.1.tar.gz
-pymysql==1.0.3
+pymysql==1.1.0
 rich==13.4.1
 setuptools==68.0.0
 setuptools-git-versioning==1.13.3