diff --git a/.taskcluster.yml b/.taskcluster.yml
index 1399fd0..5a4ca5a 100644
--- a/.taskcluster.yml
+++ b/.taskcluster.yml
@@ -37,7 +37,7 @@ tasks:
       workerType: ci
       payload:
         maxRunTime: 3600
-        image: python:3.7
+        image: python:3.10
         command:
           - "/bin/bash"
           - "-lcx"
diff --git a/Dockerfile b/Dockerfile
index 0b7689d..85ec5f3 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:3.9-alpine
+FROM python:3.10-alpine
 
 # Add mozci source code and setup instructions
 WORKDIR /src
diff --git a/tox.ini b/tox.ini
index 8d90bd4..3f15852 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,6 +1,6 @@
 [tox]
 isolated_build = true
-envlist = py37,pre-commit
+envlist = py310,pre-commit
 
 [testenv]
 envdir = {toxworkdir}/env