diff --git a/build/conda/conda-3-7-env-full.yaml b/build/conda/conda-3-7-env-full.yaml
index 80a687f9fea..a070e3b02a1 100644
--- a/build/conda/conda-3-7-env-full.yaml
+++ b/build/conda/conda-3-7-env-full.yaml
@@ -10,6 +10,6 @@ dependencies:
   - cvxpy=1.1.12
   - jupyter_client=6.1.12
   - pytest
-  - black=21.5b2
+  - black=21.7b0
   - sphinx=4.1.1
   - charset-normalizer=2.0.1
diff --git a/build/conda/conda-3-8-env-full.yaml b/build/conda/conda-3-8-env-full.yaml
index 917d7cc997d..d48a8d2aaa1 100644
--- a/build/conda/conda-3-8-env-full.yaml
+++ b/build/conda/conda-3-8-env-full.yaml
@@ -10,6 +10,6 @@ dependencies:
   - cvxpy=1.1.12
   - jupyter_client=6.1.12
   - pytest
-  - black=21.5b2
+  - black=21.7b0
   - sphinx=4.1.1
   - charset-normalizer=2.0.1
diff --git a/build/conda/conda-3-8-env.yaml b/build/conda/conda-3-8-env.yaml
index 937d045ac35..a6ed899cc51 100644
--- a/build/conda/conda-3-8-env.yaml
+++ b/build/conda/conda-3-8-env.yaml
@@ -9,6 +9,6 @@ dependencies:
   - cvxpy=1.1.12
   - jupyter_client=6.1.12
   - pytest
-  - black=21.5b2
+  - black=21.7b0
   - sphinx=4.1.1
   - charset-normalizer=2.0.1
diff --git a/poetry.lock b/poetry.lock
index 14bfece1d75..e4b16b2cb11 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -244,7 +244,7 @@ lxml = ["lxml"]
 
 [[package]]
 name = "black"
-version = "21.5b2"
+version = "21.7b0"
 description = "The uncompromising code formatter."
 category = "main"
 optional = false
@@ -256,7 +256,7 @@ click = ">=7.1.2"
 mypy-extensions = ">=0.4.3"
 pathspec = ">=0.8.1,<1"
 regex = ">=2020.1.8"
-toml = ">=0.10.1"
+tomli = ">=0.2.6,<2.0.0"
 typed-ast = {version = ">=1.4.2", markers = "python_version < \"3.8\""}
 typing-extensions = {version = ">=3.7.4", markers = "python_version < \"3.8\""}
 
@@ -3010,6 +3010,14 @@ category = "main"
 optional = false
 python-versions = ">=2.6, !=3.0.*, !=3.1.*, !=3.2.*"
 
+[[package]]
+name = "tomli"
+version = "1.2.1"
+description = "A lil' TOML parser"
+category = "main"
+optional = false
+python-versions = ">=3.6"
+
 [[package]]
 name = "tornado"
 version = "6.1"
@@ -3301,7 +3309,7 @@ prediction = ["tensorflow"]
 [metadata]
 lock-version = "1.1"
 python-versions = "^3.7"
-content-hash = "e25ba2a0a7463d2b7b7c71af7fe16f197673040c32c1d00871387ee1bbfbf004"
+content-hash = "448a8365ef9d024759eb0a1ebad9a46c1ab5303c31e1579445614fc9379e5795"
 
 [metadata.files]
 absl-py = [
@@ -3443,8 +3451,8 @@ beautifulsoup4 = [
     {file = "beautifulsoup4-4.10.0.tar.gz", hash = "sha256:c23ad23c521d818955a4151a67d81580319d4bf548d3d49f4223ae041ff98891"},
 ]
 black = [
-    {file = "black-21.5b2-py3-none-any.whl", hash = "sha256:e5cf21ebdffc7a9b29d73912b6a6a9a4df4ce70220d523c21647da2eae0751ef"},
-    {file = "black-21.5b2.tar.gz", hash = "sha256:1fc0e0a2c8ae7d269dfcf0c60a89afa299664f3e811395d40b1922dff8f854b5"},
+    {file = "black-21.7b0-py3-none-any.whl", hash = "sha256:1c7aa6ada8ee864db745b22790a32f94b2795c253a75d6d9b5e439ff10d23116"},
+    {file = "black-21.7b0.tar.gz", hash = "sha256:c8373c6491de9362e39271630b65b964607bc5c79c83783547d76c839b3aa219"},
 ]
 bleach = [
     {file = "bleach-4.1.0-py2.py3-none-any.whl", hash = "sha256:4d2651ab93271d1129ac9cbc679f524565cc8a1b791909c4a51eac4446a15994"},
@@ -5277,6 +5285,10 @@ toml = [
     {file = "toml-0.10.2-py2.py3-none-any.whl", hash = "sha256:806143ae5bfb6a3c6e736a764057db0e6a0e05e338b5630894a5f779cabb4f9b"},
     {file = "toml-0.10.2.tar.gz", hash = "sha256:b3bda1d108d5dd99f4a20d24d9c348e91c4db7ab1b749200bded2f839ccbe68f"},
 ]
+tomli = [
+    {file = "tomli-1.2.1-py3-none-any.whl", hash = "sha256:8dd0e9524d6f386271a36b41dbf6c57d8e32fd96fd22b6584679dc569d20899f"},
+    {file = "tomli-1.2.1.tar.gz", hash = "sha256:a5b75cb6f3968abb47af1b40c1819dc519ea82bcc065776a866e8d74c5ca9442"},
+]
 tornado = [
     {file = "tornado-6.1-cp35-cp35m-macosx_10_9_x86_64.whl", hash = "sha256:d371e811d6b156d82aa5f9a4e08b58debf97c302a35714f6f45e35139c332e32"},
     {file = "tornado-6.1-cp35-cp35m-manylinux1_i686.whl", hash = "sha256:0d321a39c36e5f2c4ff12b4ed58d41390460f798422c4504e09eb5678e09998c"},
diff --git a/pyproject.toml b/pyproject.toml
index d839f92b6bb..a0246cf1b64 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -86,12 +86,12 @@ jsonschema = "3.2.0"
 pytest = "^6.2.2"
 pylint = "^2.7.2"
 flake8 = "^3.9.0"
-black = "21.5b2"
 mypy = "^0.901"
 mock = "^4.0.3"
 codespell = "^2.0.0"
 pyupgrade = "^2.11.0"
 Sphinx = "4.1.1"
+black = "21.7b0"
 
 [tool.poetry.extras]
 prediction = ["tensorflow"]
diff --git a/requirements-full.txt b/requirements-full.txt
index 0e0668fcffb..999578538a5 100644
--- a/requirements-full.txt
+++ b/requirements-full.txt
@@ -16,7 +16,7 @@ babel==2.9.1; python_full_version >= "3.6.8" and python_full_version < "4.0.0" a
 backcall==0.2.0; python_version >= "3.7"
 backports.zoneinfo==0.2.1; python_version < "3.9" and python_version >= "3.6"
 beautifulsoup4==4.10.0; python_full_version > "3.0.0" and python_version >= "3.5"
-black==21.5b2; python_full_version >= "3.6.2"
+black==21.7b0; python_full_version >= "3.6.2"
 bleach==4.1.0; python_version >= "3.7"
 bs4==0.0.1
 bt==0.2.9; (python_version >= "2.7" and python_full_version < "3.0.0") or (python_full_version >= "3.6.0")
@@ -90,7 +90,7 @@ jupyter==1.0.0
 jupyterlab-pygments==0.1.2; python_version >= "3.7"
 jupyterlab-server==2.8.2; python_version >= "3.6"
 jupyterlab-widgets==1.0.2; python_version >= "3.6"
-jupyterlab==3.1.14; python_version >= "3.6"
+jupyterlab==3.1.17; python_version >= "3.6"
 keras-preprocessing==1.1.2
 keras==2.6.0
 kiwisolver==1.3.2; python_version >= "3.7"
@@ -142,7 +142,7 @@ prawcore==2.3.0; python_version >= "3.6" and python_version < "4.0"
 prettytable==2.2.1; python_version >= "3.6"
 prometheus-client==0.11.0; python_version >= "3.6" and python_full_version < "3.0.0" or python_full_version >= "3.4.0" and python_version >= "3.6"
 prompt-toolkit==3.0.20; python_full_version >= "3.6.2"
-protobuf==3.18.0; python_version >= "3.6"
+protobuf==3.18.1; python_version >= "3.6"
 psaw==0.0.12; python_version >= "3"
 ptyprocess==0.7.0; os_name != "nt" and python_version >= "3.7" and sys_platform != "win32"
 py==1.10.0; python_version >= "3.6" and python_full_version < "3.0.0" and implementation_name == "pypy" or implementation_name == "pypy" and python_version >= "3.6" and python_full_version >= "3.4.0"
@@ -224,7 +224,8 @@ textwrap3==0.9.2; python_version >= "3.6"
 threadpoolctl==3.0.0; python_version >= "3.7"
 timeseries-cv==0.1.4; python_version >= "3.6" and python_version < "4.0"
 tokenize-rt==4.1.0; python_full_version >= "3.6.1"
-toml==0.10.2; python_full_version >= "3.6.2" and python_version >= "3.6" and (python_version >= "3.5" and python_full_version < "3.0.0" or python_full_version >= "3.3.0" and python_version >= "3.5")
+toml==0.10.2; python_version >= "3.5" and python_full_version < "3.0.0" or python_full_version >= "3.3.0" and python_version >= "3.5"
+tomli==1.2.1; python_full_version >= "3.6.2" and python_version >= "3.6"
 tornado==6.1; python_full_version >= "3.6.1" and python_version >= "3.7"
 tqdm==4.62.3; python_version >= "3.6" and python_full_version < "3.0.0" or python_full_version >= "3.4.0" and python_version >= "3.6"
 tradingview-ta==3.2.9; python_version >= "3.6"
@@ -244,7 +245,7 @@ wcwidth==0.2.5; python_version >= "3.6" and python_full_version >= "3.6.2"
 webencodings==0.5.1; python_version >= "3.7"
 websocket-client==1.2.1; python_version >= "3.6" and python_version < "4.0"
 websockets==9.1; python_full_version >= "3.6.1"
-werkzeug==2.0.1; python_version >= "3.6"
+werkzeug==2.0.2; python_version >= "3.6"
 widgetsnbextension==3.5.1
 wrapt==1.12.1; python_version >= "3.6"
 yarl==1.6.3; python_version >= "3.6"
diff --git a/requirements.txt b/requirements.txt
index 0cd2201da69..160e69c95e1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -14,7 +14,7 @@ babel==2.9.1; python_full_version >= "3.6.8" and python_full_version < "4.0.0" a
 backcall==0.2.0; python_version >= "3.7"
 backports.zoneinfo==0.2.1; python_version < "3.9" and python_version >= "3.6"
 beautifulsoup4==4.10.0; python_full_version > "3.0.0" and python_version >= "3.5"
-black==21.5b2; python_full_version >= "3.6.2"
+black==21.7b0; python_full_version >= "3.6.2"
 bleach==4.1.0; python_version >= "3.7"
 bs4==0.0.1
 bt==0.2.9; (python_version >= "2.7" and python_full_version < "3.0.0") or (python_full_version >= "3.6.0")
@@ -79,7 +79,7 @@ jupyter==1.0.0
 jupyterlab-pygments==0.1.2; python_version >= "3.7"
 jupyterlab-server==2.8.2; python_version >= "3.6"
 jupyterlab-widgets==1.0.2; python_version >= "3.6"
-jupyterlab==3.1.14; python_version >= "3.6"
+jupyterlab==3.1.17; python_version >= "3.6"
 kiwisolver==1.3.2; python_version >= "3.7"
 korean-lunar-calendar==0.2.1
 lxml==4.6.3; python_full_version >= "3.6.8" and python_version >= "3.5" and python_full_version < "4.0.0" and (python_version >= "3.6" and python_full_version < "3.0.0" or python_full_version >= "3.6.0" and python_version >= "3.6")
@@ -127,7 +127,7 @@ prawcore==2.3.0; python_version >= "3.6" and python_version < "4.0"
 prettytable==2.2.1; python_version >= "3.6"
 prometheus-client==0.11.0; python_version >= "3.6" and python_full_version < "3.0.0" or python_full_version >= "3.4.0" and python_version >= "3.6"
 prompt-toolkit==3.0.20; python_full_version >= "3.6.2"
-protobuf==3.18.0; python_version >= "3.6"
+protobuf==3.18.1; python_version >= "3.6"
 psaw==0.0.12; python_version >= "3"
 ptyprocess==0.7.0; os_name != "nt" and python_version >= "3.7" and sys_platform != "win32"
 py==1.10.0; python_version >= "3.6" and python_full_version < "3.0.0" and implementation_name == "pypy" or implementation_name == "pypy" and python_version >= "3.6" and python_full_version >= "3.4.0"
@@ -201,7 +201,8 @@ textwrap3==0.9.2; python_version >= "3.6"
 threadpoolctl==3.0.0; python_version >= "3.7"
 timeseries-cv==0.1.4; python_version >= "3.6" and python_version < "4.0"
 tokenize-rt==4.1.0; python_full_version >= "3.6.1"
-toml==0.10.2; python_full_version >= "3.6.2" and python_version >= "3.6" and (python_version >= "3.5" and python_full_version < "3.0.0" or python_full_version >= "3.3.0" and python_version >= "3.5")
+toml==0.10.2; python_version >= "3.5" and python_full_version < "3.0.0" or python_full_version >= "3.3.0" and python_version >= "3.5"
+tomli==1.2.1; python_full_version >= "3.6.2" and python_version >= "3.6"
 tornado==6.1; python_full_version >= "3.6.1" and python_version >= "3.7"
 tqdm==4.62.3; python_version >= "3.6" and python_full_version < "3.0.0" or python_full_version >= "3.4.0" and python_version >= "3.6"
 tradingview-ta==3.2.9; python_version >= "3.6"