diff --git a/day2/docker/requirements.txt b/day2/docker/requirements.txt
index ea93cf7..39fda63 100644
--- a/day2/docker/requirements.txt
+++ b/day2/docker/requirements.txt
@@ -6,7 +6,7 @@ class-registry==2.1.2
 Click==7.0
 cloudpickle==0.8.1
 cryptography==2.6.1
-dask==1.1.5
+dask==2021.10.0
 distributed==1.26.1
 docutils==0.14
 filters==1.3.2