diff --git a/poetry.lock b/poetry.lock
index 654aca2..de30871 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1,6 +1,6 @@
 [[package]]
 name = "agate"
-version = "1.6.1"
+version = "1.6.2"
 description = "A data analysis library that is optimized for humans instead of machines."
 category = "dev"
 optional = false
@@ -11,6 +11,7 @@ Babel = ">=2.0"
 isodate = ">=0.5.4"
 leather = ">=0.3.2"
 parsedatetime = ">=2.1"
+PyICU = ">=2.4.2"
 python-slugify = ">=1.2.1"
 pytimeparse = ">=1.1.5"
 six = ">=1.9.0"
@@ -294,14 +295,6 @@ pipfile_deprecated_finder = ["pipreqs", "requirementslib"]
 requirements_deprecated_finder = ["pipreqs", "pip-api"]
 colors = ["colorama (>=0.4.3,<0.5.0)"]
 
-[[package]]
-name = "jdcal"
-version = "1.4.1"
-description = "Julian dates from proleptic Gregorian and Julian calendars."
-category = "dev"
-optional = false
-python-versions = "*"
-
 [[package]]
 name = "jedi"
 version = "0.18.0"
@@ -365,7 +358,7 @@ python-versions = ">=3.7"
 
 [[package]]
 name = "openpyxl"
-version = "3.0.6"
+version = "3.0.7"
 description = "A Python library to read/write Excel 2010 xlsx/xlsm files"
 category = "dev"
 optional = false
@@ -373,7 +366,6 @@ python-versions = ">=3.6,"
 
 [package.dependencies]
 et-xmlfile = "*"
-jdcal = "*"
 
 [[package]]
 name = "packaging"
@@ -513,12 +505,20 @@ python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
 
 [[package]]
 name = "pygments"
-version = "2.8.0"
+version = "2.8.1"
 description = "Pygments is a syntax highlighting package written in Python."
 category = "dev"
 optional = false
 python-versions = ">=3.5"
 
+[[package]]
+name = "pyicu"
+version = "2.6"
+description = "Python extension wrapping the ICU C++ API"
+category = "dev"
+optional = false
+python-versions = "*"
+
 [[package]]
 name = "pyparsing"
 version = "2.4.7"
@@ -659,6 +659,14 @@ category = "main"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*"
 
+[[package]]
+name = "spdx-license-list"
+version = "0.5.2"
+description = "A simple tool/library for working with SPDX license definitions."
+category = "main"
+optional = false
+python-versions = "*"
+
 [[package]]
 name = "sqlalchemy"
 version = "1.3.23"
@@ -765,12 +773,11 @@ python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
 [metadata]
 lock-version = "1.1"
 python-versions = "^3.8"
-content-hash = "8c4ba410bbdc930d2d74f7864470a18827029a5697869833959708d7425460ae"
+content-hash = "6a9ee0f26b50f361d7e0e6a2275f0e3174dee1c89fbd460583c4ea3d873857b8"
 
 [metadata.files]
 agate = [
-    {file = "agate-1.6.1-py2.py3-none-any.whl", hash = "sha256:48d6f80b35611c1ba25a642cbc5b90fcbdeeb2a54711c4a8d062ee2809334d1c"},
-    {file = "agate-1.6.1.tar.gz", hash = "sha256:c93aaa500b439d71e4a5cf088d0006d2ce2c76f1950960c8843114e5f361dfd3"},
+    {file = "agate-1.6.2.tar.gz", hash = "sha256:8dbd4a57a2cffecfa2d8109ef5993ec4be12a8a7c81fbc0c8c79d96d4c4399ed"},
 ]
 agate-dbf = [
     {file = "agate-dbf-0.2.2.tar.gz", hash = "sha256:589682b78c5c03f2dc8511e6e3edb659fb7336cd118e248896bb0b44c2f1917b"},
@@ -866,10 +873,6 @@ isort = [
     {file = "isort-5.7.0-py3-none-any.whl", hash = "sha256:fff4f0c04e1825522ce6949973e83110a6e907750cd92d128b0d14aaaadbffdc"},
     {file = "isort-5.7.0.tar.gz", hash = "sha256:c729845434366216d320e936b8ad6f9d681aab72dc7cbc2d51bedc3582f3ad1e"},
 ]
-jdcal = [
-    {file = "jdcal-1.4.1-py2.py3-none-any.whl", hash = "sha256:1abf1305fce18b4e8aa248cf8fe0c56ce2032392bc64bbd61b5dff2a19ec8bba"},
-    {file = "jdcal-1.4.1.tar.gz", hash = "sha256:472872e096eb8df219c23f2689fc336668bdb43d194094b5cc1707e1640acfc8"},
-]
 jedi = [
     {file = "jedi-0.18.0-py2.py3-none-any.whl", hash = "sha256:18456d83f65f400ab0c2d3319e48520420ef43b23a086fdc05dff34132f0fb93"},
     {file = "jedi-0.18.0.tar.gz", hash = "sha256:92550a404bad8afed881a137ec9a461fed49eca661414be45059329614ed0707"},
@@ -916,8 +919,8 @@ numpy = [
     {file = "numpy-1.20.1.zip", hash = "sha256:3bc63486a870294683980d76ec1e3efc786295ae00128f9ea38e2c6e74d5a60a"},
 ]
 openpyxl = [
-    {file = "openpyxl-3.0.6-py2.py3-none-any.whl", hash = "sha256:1a4b3869c2500b5c713e8e28341cdada49ecfcff1b10cd9006945f5bcefc090d"},
-    {file = "openpyxl-3.0.6.tar.gz", hash = "sha256:b229112b46e158b910a5d1b270b212c42773d39cab24e8db527f775b82afc041"},
+    {file = "openpyxl-3.0.7-py2.py3-none-any.whl", hash = "sha256:46af4eaf201a89b610fcca177eed957635f88770a5462fb6aae4a2a52b0ff516"},
+    {file = "openpyxl-3.0.7.tar.gz", hash = "sha256:6456a3b472e1ef0facb1129f3c6ef00713cebf62e736cd7a75bcc3247432f251"},
 ]
 packaging = [
     {file = "packaging-20.9-py2.py3-none-any.whl", hash = "sha256:67714da7f7bc052e064859c05c595155bd1ee9f69f76557e21f051443c20947a"},
@@ -989,8 +992,11 @@ pyflakes = [
     {file = "pyflakes-2.2.0.tar.gz", hash = "sha256:35b2d75ee967ea93b55750aa9edbbf72813e06a66ba54438df2cfac9e3c27fc8"},
 ]
 pygments = [
-    {file = "Pygments-2.8.0-py3-none-any.whl", hash = "sha256:b21b072d0ccdf29297a82a2363359d99623597b8a265b8081760e4d0f7153c88"},
-    {file = "Pygments-2.8.0.tar.gz", hash = "sha256:37a13ba168a02ac54cc5891a42b1caec333e59b66addb7fa633ea8a6d73445c0"},
+    {file = "Pygments-2.8.1-py3-none-any.whl", hash = "sha256:534ef71d539ae97d4c3a4cf7d6f110f214b0e687e92f9cb9d2a3b0d3101289c8"},
+    {file = "Pygments-2.8.1.tar.gz", hash = "sha256:2656e1a6edcdabf4275f9a3640db59fd5de107d88e8663c5d4e9a0fa62f77f94"},
+]
+pyicu = [
+    {file = "PyICU-2.6.tar.gz", hash = "sha256:a9a5bf6833360f8f69e9375b91c1a7dd6e0c9157a42aee5bb7d6891804d96371"},
 ]
 pyparsing = [
     {file = "pyparsing-2.4.7-py2.py3-none-any.whl", hash = "sha256:ef9d7589ef3c200abe66653d3f1ab1033c3c419ae9b9bdb1240a85b024efc88b"},
@@ -1077,6 +1083,10 @@ six = [
     {file = "six-1.15.0-py2.py3-none-any.whl", hash = "sha256:8b74bedcbbbaca38ff6d7491d76f2b06b3592611af620f8426e82dddb04a5ced"},
     {file = "six-1.15.0.tar.gz", hash = "sha256:30639c035cdb23534cd4aa2dd52c3bf48f06e5f4a941509c8bafd8ce11080259"},
 ]
+spdx-license-list = [
+    {file = "spdx_license_list-0.5.2-py3-none-any.whl", hash = "sha256:1b338470c7b403dbecceca563a316382c7977516128ca6c1e8f7078e3ed6e7b0"},
+    {file = "spdx_license_list-0.5.2.tar.gz", hash = "sha256:952996f72ab807972dc2278bb9b91e5294767211e51f09aad9c0e2ff5b82a31b"},
+]
 sqlalchemy = [
     {file = "SQLAlchemy-1.3.23-cp27-cp27m-macosx_10_14_x86_64.whl", hash = "sha256:fd3b96f8c705af8e938eaa99cbd8fd1450f632d38cad55e7367c33b263bf98ec"},
     {file = "SQLAlchemy-1.3.23-cp27-cp27m-manylinux1_x86_64.whl", hash = "sha256:29cccc9606750fe10c5d0e8bd847f17a97f3850b8682aef1f56f5d5e1a5a64b1"},