diff --git a/Dockerfile b/Dockerfile
index 22dfdef..c865eef 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -8,7 +8,7 @@ WORKDIR /opt/healthchecks
 
 RUN useradd --system hc && \
     git clone --depth 1 --branch v${VERSION} https://github.com/healthchecks/healthchecks.git /opt/healthchecks && \
-    pip install --no-cache-dir pip && \
+    pip install --no-cache-dir --upgrade pip && \
     pip install --no-cache-dir -r /opt/healthchecks/requirements.txt && \
     pip install --no-cache-dir uwsgi && \
     rm -f /opt/healthchecks/hc/local_settings.py && \