diff --git a/Dockerfile b/Dockerfile
index fd589ca07965b6ff9fe232240e09bf0ad4dd4d38..5cbfefd523366ed58b9a988eb7394504db62fc26 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:3.7 AS builder
+FROM python:3.9 AS builder
 
 WORKDIR /tmp/repo
 COPY setup.py requirements.txt /tmp/repo/
@@ -6,5 +6,5 @@ COPY freeforestml /tmp/repo/freeforestml
 RUN pip install -r requirements.txt
 RUN pip install .
 
-FROM python:3.7
+FROM python:3.9
 COPY --from=builder /usr /usr