diff --git a/scripts/check b/scripts/check
index e319add7b..44990981f 100755
--- a/scripts/check
+++ b/scripts/check
@@ -8,7 +8,7 @@ export SOURCE_FILES="uvicorn tests"
 
 set -x
 
-${PREFIX}black --check --diff --target-version=py36 $SOURCE_FILES
+${PREFIX}black --check --diff --target-version=py37 $SOURCE_FILES
 ${PREFIX}flake8 $SOURCE_FILES
 ${PREFIX}mypy --show-error-codes
 ${PREFIX}isort --check --diff --project=uvicorn $SOURCE_FILES
diff --git a/scripts/lint b/scripts/lint
index ef06f6bdd..5325f2691 100755
--- a/scripts/lint
+++ b/scripts/lint
@@ -10,5 +10,5 @@ set -x
 
 ${PREFIX}autoflake --in-place --recursive $SOURCE_FILES
 ${PREFIX}isort --project=uvicorn $SOURCE_FILES
-${PREFIX}black --target-version=py36 $SOURCE_FILES
+${PREFIX}black --target-version=py37 $SOURCE_FILES
 ${PREFIX}python -m tools.cli_usage