diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 27e481fb..6aa28bbe 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -13,7 +13,7 @@ jobs:
           - ubuntu-latest  # ubuntu-18.04
           - macos-latest  # macOS-10.14
           - windows-latest  # windows-2019
-        python-version: [3.6, 3.7, 3.8, 3.9]
+        python-version: [3.7, 3.8, 3.9]
 
     steps:
     - uses: actions/checkout@v1
diff --git a/dcm2bids/scaffold/__init__.py b/dcm2bids/scaffold/__init__.py
index d0a1cabb..92a088ad 100644
--- a/dcm2bids/scaffold/__init__.py
+++ b/dcm2bids/scaffold/__init__.py
@@ -6,12 +6,7 @@
 import datetime
 import os
 import shutil
-if sys.version_info >= (3,7,0):
-  import importlib.resources as resources
-else:
-  # backport: https://pypi.org/project/importlib-resources/
-  # TODO: drop this when py3.6 is end-of-life
-  import importlib_resources as resources
+import importlib.resources as resources
 from ..utils import write_txt
 
 
diff --git a/setup.py b/setup.py
index 36586ec4..a252cae0 100755
--- a/setup.py
+++ b/setup.py
@@ -55,7 +55,6 @@ def install_requires():
     "Operating System :: Microsoft :: Windows",
     "Operating System :: Unix",
     "Programming Language :: Python",
-    "Programming Language :: Python :: 3.6",
     "Programming Language :: Python :: 3.7",
     "Programming Language :: Python :: 3.8",
     "Programming Language :: Python :: 3.9",
@@ -71,14 +70,10 @@ def install_requires():
         version=VERSION,
         packages=find_packages(exclude=["tests"]),
         entry_points=ENTRY_POINTS,
-        python_requires=">=3.6",
+        python_requires=">=3.7",
         use_scm_version=True,
         setup_requires=['setuptools_scm'],
-        install_requires=[
-          'future>=0.17.1',
-          # TODO: drop this when py3.6 is end-of-life
-          'importlib_resources ; python_version<"3.7"',
-          ],
+        install_requires=['future>=0.17.1'],
         include_package_data=True,
         author=AUTHOR,
         author_email=AUTHOR_EMAIL,
diff --git a/tox.ini b/tox.ini
index f5444bc0..b0d10f6f 100644
--- a/tox.ini
+++ b/tox.ini
@@ -4,12 +4,11 @@
 # and then run "tox" from this directory.
 
 [tox]
-envlist = py36, py37, py38, py39
-; envlist = clean, py36, py37, py38, py39, report
+envlist = py37, py38, py39
+; envlist = clean, py37, py38, py39, report
 
 [gh-actions]
 python =
-    3.6: py36
     3.7: py37
     3.8: py38
     3.9: py39
@@ -19,8 +18,8 @@ deps = -rrequirements-test.txt
 commands = pytest --cov --cov-report=xml -s
 ; commands = pytest --cov --cov-append --black --flake8 --pylint
 ; depends =
-;     {py36, py37, py38}: clean
-;     report: py36, py37, py38, py39
+;     {py37, py38, py39}: clean
+;     report: py37, py38, py39
 
 ; [testenv:report]
 ; deps = coverage