diff --git a/Dockerfile b/Dockerfile
index 42793fc..5912e5b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -14,6 +14,7 @@ COPY --from=builder /root/.local/lib /root/.local/lib
 COPY --from=builder /root/.local/bin/mitmdump /root/.local/bin/mitmdump
 COPY --from=builder /root/.local/bin/mypy /root/.local/bin/mypy
 ENV PATH=/root/.local/bin:$PATH
+COPY mypy.ini .
 COPY typecheck .
 COPY src src
 COPY default-rules default-rules
diff --git a/mypy.ini b/mypy.ini
new file mode 100644
index 0000000..359eae6
--- /dev/null
+++ b/mypy.ini
@@ -0,0 +1,5 @@
+[mypy]
+mypy_path = $MYPY_CONFIG_FILE_DIR/src
+explicit_package_bases = True
+namespace_packages = True
+files = $MYPY_CONFIG_FILE_DIR/src
diff --git a/src/modules/__init__.py b/src/modules/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/typecheck b/typecheck
index 826d5c2..002e685 100755
--- a/typecheck
+++ b/typecheck
@@ -4,5 +4,4 @@ set -e
 
 export MYPYPATH=/usr/local/lib/python3.6/dist-packages/
 
-mypy src/*.py --ignore-missing-imports --disallow-untyped-defs --follow-imports skip
-mypy src/modules/*.py --ignore-missing-imports --disallow-untyped-defs --follow-imports skip
+mypy src/ --config-file mypy.ini --ignore-missing-imports --disallow-untyped-defs