diff --git a/requirements.txt b/requirements.txt
index 01c2ec4..b1fae1b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,7 +9,7 @@ charset-normalizer==2.1.1
 click==8.1.3
 coverage==6.4.3
 git+https://github.com/DiamondLightSource/diffcalc-core.git#egg=diffcalc-core
-distlib==0.3.5
+distlib==0.3.6
 docutils==0.17.1
 fastapi==0.79.0
 filelock==3.8.0