diff --git a/3.8/Dockerfile b/3.8/Dockerfile
index 0585c0c705dfc0bc9dd053913999efd63f7e0eb2..a2ca1551aaa99612e7d556bd93f509100b38b478 100644
--- a/3.8/Dockerfile
+++ b/3.8/Dockerfile
@@ -6,4 +6,4 @@ apt install --yes libsodium23 make && \
 rm -rf /var/lib/apt/lists
 
 # Install Poetry
-RUN pip3 install poetry black
+RUN pip3 install poetry black mypy pylint sphinx_rtd_theme