diff --git a/test-requirements.in b/test-requirements.in
new file mode 100644
index 00000000..6a133709
--- /dev/null
+++ b/test-requirements.in
@@ -0,0 +1,14 @@
+attrs
+importlib-metadata
+mock
+more-itertools
+packaging
+pluggy
+py
+pyparsing
+pytest-asyncio
+pytest
+six
+wcwidth
+zipp
+
diff --git a/test-requirements.txt b/test-requirements.txt
index f10f00da..01a5b218 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -2,46 +2,46 @@
 # This file is autogenerated by pip-compile
 # To update, run:
 #
-#    pip-compile --generate-hashes test-requirements.txt
+#    pip-compile --generate-hashes --output-file=test-requirements.txt test-requirements.in
 #
 attrs==19.3.0 \
     --hash=sha256:08a96c641c3a74e44eb59afb61a24f2cb9f4d7188748e76ba4bb5edfa3cb7d1c \
-    # via -r test-requirements.txt, pytest
+    # via -r test-requirements.in, pytest
 importlib-metadata==1.6.1 \
     --hash=sha256:15ec6c0fd909e893e3a08b3a7c76ecb149122fb14b7efe1199ddd4c7c57ea958 \
-    # via -r test-requirements.txt, pluggy, pytest
+    # via -r test-requirements.in, pluggy, pytest
 mock==4.0.2 \
     --hash=sha256:3f9b2c0196c60d21838f307f5825a7b86b678cedc58ab9e50a8988187b4d81e0 \
     --hash=sha256:dd33eb70232b6118298d516bbcecd26704689c386594f0f3c4f13867b2c56f72 \
-    # via -r test-requirements.txt
+    # via -r test-requirements.in
 more-itertools==8.3.0 \
     --hash=sha256:7818f596b1e87be009031c7653d01acc46ed422e6656b394b0f765ce66ed4982 \
-    # via -r test-requirements.txt, pytest
+    # via -r test-requirements.in, pytest
 packaging==20.4 \
     --hash=sha256:998416ba6962ae7fbd6596850b80e17859a5753ba17c32284f67bfff33784181 \
-    # via -r test-requirements.txt, pytest
+    # via -r test-requirements.in, pytest
 pluggy==0.13.1 \
     --hash=sha256:966c145cd83c96502c3c3868f50408687b38434af77734af1e9ca461a4081d2d \
-    # via -r test-requirements.txt, pytest
+    # via -r test-requirements.in, pytest
 py==1.8.1 \
     --hash=sha256:c20fdd83a5dbc0af9efd622bee9a5564e278f6380fffcacc43ba6f43db2813b0 \
-    # via -r test-requirements.txt, pytest
+    # via -r test-requirements.in, pytest
 pyparsing==2.4.7 \
     --hash=sha256:ef9d7589ef3c200abe66653d3f1ab1033c3c419ae9b9bdb1240a85b024efc88b \
-    # via -r test-requirements.txt, packaging
+    # via -r test-requirements.in, packaging
 pytest-asyncio==0.14.0 \
     --hash=sha256:2eae1e34f6c68fc0a9dc12d4bea190483843ff4708d24277c41568d6b6044f1d \
     --hash=sha256:9882c0c6b24429449f5f969a5158b528f39bde47dc32e85b9f0403965017e700 \
-    # via -r test-requirements.txt
+    # via -r test-requirements.in
 pytest==5.4.3 \
     --hash=sha256:5c0db86b698e8f170ba4582a492248919255fcd4c79b1ee64ace34301fb589a1 \
-    # via -r test-requirements.txt, pytest-asyncio
+    # via -r test-requirements.in, pytest-asyncio
 six==1.15.0 \
     --hash=sha256:8b74bedcbbbaca38ff6d7491d76f2b06b3592611af620f8426e82dddb04a5ced \
-    # via -r test-requirements.txt, packaging
+    # via -r test-requirements.in, packaging
 wcwidth==0.2.4 \
     --hash=sha256:79375666b9954d4a1a10739315816324c3e73110af9d0e102d906fdb0aec009f \
-    # via -r test-requirements.txt, pytest
+    # via -r test-requirements.in, pytest
 zipp==3.1.0 \
     --hash=sha256:aa36550ff0c0b7ef7fa639055d797116ee891440eac1a56f378e2d3179e0320b \
-    # via -r test-requirements.txt, importlib-metadata
+    # via -r test-requirements.in, importlib-metadata
diff --git a/tox.ini b/tox.ini
index b521e9e1..fa763ca7 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,6 @@
 [tox]
-envlist = py36, static, docs
+envlist = py36, py37, static, docs
+skip_missing_interpreters = true
 
 [testenv]
 deps=
@@ -12,6 +13,7 @@ whitelist_externals=sh
 deps=
 	black
 	pylint
+	aioboto3
 commands_pre=
 commands=
 	black --check .
@@ -42,6 +44,7 @@ commands=
 deps=
 	sphinx
 	alabaster
+	aioboto3
 use_develop=true
 commands_pre=
 commands=