diff --git a/Dockerfile.ubuntu b/Dockerfile.ubuntu
deleted file mode 120000
index 846e446..0000000
--- a/Dockerfile.ubuntu
+++ /dev/null
@@ -1 +0,0 @@
-Dockerfile.ubuntu.18.10
\ No newline at end of file
diff --git a/Dockerfile.ubuntu b/Dockerfile.ubuntu
new file mode 100644
index 0000000..3d98bb0
--- /dev/null
+++ b/Dockerfile.ubuntu
@@ -0,0 +1,12 @@
+FROM ubuntu:20.04
+ENV DEBIAN_FRONTEND=noninteractive
+RUN apt-get update \
+    && apt-get install -y --no-install-recommends \
+    git \
+    python3-pip \
+    python3-setuptools \
+    && rm -rf /var/lib/apt/lists/*
+COPY requirements.txt .
+RUN pip3 install --no-cache-dir -r requirements.txt
+RUN pre-commit sample-config > /.pre-commit-config.yaml
+ENTRYPOINT ["pre-commit", "run", "--config", "/.pre-commit-config.yaml"]
diff --git a/Dockerfile.ubuntu.18.10 b/Dockerfile.ubuntu.18.10
index a07912d..3d98bb0 100644
--- a/Dockerfile.ubuntu.18.10
+++ b/Dockerfile.ubuntu.18.10
@@ -1,4 +1,4 @@
-FROM ubuntu:18.10
+FROM ubuntu:20.04
 ENV DEBIAN_FRONTEND=noninteractive
 RUN apt-get update \
     && apt-get install -y --no-install-recommends \