diff --git a/requirements.txt b/requirements.txt
index 8b35f3f..74fe918 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@ certifi==2022.9.14
 cfgv==3.3.1
 charset-normalizer==2.1.1
 click==8.1.3
-coverage==6.4.4
+coverage==6.5.0
 git+https://github.com/DiamondLightSource/diffcalc-core.git#egg=diffcalc-core
 distlib==0.3.6
 docutils==0.19