diff --git a/poetry.lock b/poetry.lock
index de38145..e12d0c0 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -177,26 +177,26 @@ orderedmultidict = ">=1.0.1"
 six = ">=1.8.0"
 
 [[package]]
-name = "gitdb2"
-version = "3.0.3.post1"
+name = "gitdb"
+version = "4.0.5"
 description = "Git Object Database"
 category = "dev"
 optional = false
 python-versions = ">=3.4"
 
 [package.dependencies]
-smmap2 = ">=2,<3"
+smmap = ">=3.0.1,<4"
 
 [[package]]
 name = "gitpython"
-version = "3.0.9"
+version = "3.1.13"
 description = "Python Git Library"
 category = "dev"
 optional = false
 python-versions = ">=3.4"
 
 [package.dependencies]
-gitdb2 = ">=3,<4"
+gitdb = ">=4.0.1,<5"
 
 [[package]]
 name = "greenlet"
@@ -220,14 +220,6 @@ python-versions = "!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,>=2.7"
 [package.extras]
 license = ["editdistance"]
 
-[[package]]
-name = "idna"
-version = "3.1"
-description = "Internationalized Domain Names in Applications (IDNA)"
-category = "dev"
-optional = false
-python-versions = ">=3.4"
-
 [[package]]
 name = "iniconfig"
 version = "1.1.1"
@@ -590,15 +582,7 @@ python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*"
 
 [[package]]
 name = "smmap"
-version = "4.0.0"
-description = "A pure Python implementation of a sliding window memory map manager"
-category = "dev"
-optional = false
-python-versions = ">=3.5"
-
-[[package]]
-name = "smmap2"
-version = "2.0.5"
+version = "3.0.5"
 description = "A pure Python implementation of a sliding window memory map manager"
 category = "dev"
 optional = false
@@ -769,13 +753,13 @@ furl = [
     {file = "furl-2.1.0-py2.py3-none-any.whl", hash = "sha256:f4d6f1e5479c376a5b7bdc62795d736d8c1b2a754f366a2ad2816e46e946e22e"},
     {file = "furl-2.1.0.tar.gz", hash = "sha256:c0e0231a1feee2acd256574b7033df3144775451c610cb587060d6a0d7e0b621"},
 ]
-gitdb2 = [
-    {file = "gitdb2-3.0.3.post1-py2.py3-none-any.whl", hash = "sha256:f4c17cc3389772557b624e0208ed7cb854c6d7e95962da81e3a3ccd32f7c4b2e"},
-    {file = "gitdb2-3.0.3.post1.tar.gz", hash = "sha256:d6983efcd8284c7ccd4c5851aac5b78a1b63f7f53918a1b386957f4a68c8fad3"},
+gitdb = [
+    {file = "gitdb-4.0.5-py3-none-any.whl", hash = "sha256:91f36bfb1ab7949b3b40e23736db18231bf7593edada2ba5c3a174a7b23657ac"},
+    {file = "gitdb-4.0.5.tar.gz", hash = "sha256:c9e1f2d0db7ddb9a704c2a0217be31214e91a4fe1dea1efad19ae42ba0c285c9"},
 ]
 gitpython = [
-    {file = "GitPython-3.0.9-py3-none-any.whl", hash = "sha256:ecf785b0b23bb6d28f5fff3d67cc4a07cb607e94476495d2a943d2e57d9fd473"},
-    {file = "GitPython-3.0.9.tar.gz", hash = "sha256:7e5df21bfef38505115ad92544fb379e6fedb2753f3b709174c4358cecd0cb97"},
+    {file = "GitPython-3.1.13-py3-none-any.whl", hash = "sha256:c5347c81d232d9b8e7f47b68a83e5dc92e7952127133c5f2df9133f2c75a1b29"},
+    {file = "GitPython-3.1.13.tar.gz", hash = "sha256:8621a7e777e276a5ec838b59280ba5272dd144a18169c36c903d8b38b99f750a"},
 ]
 greenlet = [
     {file = "greenlet-1.0a1-cp27-cp27m-macosx_10_9_x86_64.whl", hash = "sha256:feaa41c4fc47da4814b4cec8174da31b65490fcd710c28d495b96dbc63586b81"},
@@ -821,10 +805,6 @@ identify = [
     {file = "identify-1.5.13-py2.py3-none-any.whl", hash = "sha256:9dfb63a2e871b807e3ba62f029813552a24b5289504f5b071dea9b041aee9fe4"},
     {file = "identify-1.5.13.tar.gz", hash = "sha256:70b638cf4743f33042bebb3b51e25261a0a10e80f978739f17e7fd4837664a66"},
 ]
-idna = [
-    {file = "idna-3.1-py3-none-any.whl", hash = "sha256:5205d03e7bcbb919cc9c19885f9920d622ca52448306f2377daede5cf3faac16"},
-    {file = "idna-3.1.tar.gz", hash = "sha256:c5b02147e01ea9920e6b0a3f1f7bb833612d507592c837a6c49552768f4054e1"},
-]
 iniconfig = [
     {file = "iniconfig-1.1.1-py2.py3-none-any.whl", hash = "sha256:011e24c64b7f47f6ebd835bb12a743f2fbe9a26d4cecaa7f53bc4f35ee9da8b3"},
     {file = "iniconfig-1.1.1.tar.gz", hash = "sha256:bc3af051d7d14b2ee5ef9969666def0cd1a000e121eaea580d4a313df4b37f32"},
@@ -1106,12 +1086,8 @@ six = [
     {file = "six-1.15.0.tar.gz", hash = "sha256:30639c035cdb23534cd4aa2dd52c3bf48f06e5f4a941509c8bafd8ce11080259"},
 ]
 smmap = [
-    {file = "smmap-4.0.0-py2.py3-none-any.whl", hash = "sha256:a9a7479e4c572e2e775c404dcd3080c8dc49f39918c2cf74913d30c4c478e3c2"},
-    {file = "smmap-4.0.0.tar.gz", hash = "sha256:7e65386bd122d45405ddf795637b7f7d2b532e7e401d46bbe3fb49b9986d5182"},
-]
-smmap2 = [
-    {file = "smmap2-2.0.5-py2.py3-none-any.whl", hash = "sha256:0555a7bf4df71d1ef4218e4807bbf9b201f910174e6e08af2e138d4e517b4dde"},
-    {file = "smmap2-2.0.5.tar.gz", hash = "sha256:29a9ffa0497e7f2be94ca0ed1ca1aa3cd4cf25a1f6b4f5f87f74b46ed91d609a"},
+    {file = "smmap-3.0.5-py2.py3-none-any.whl", hash = "sha256:7bfcf367828031dc893530a29cb35eb8c8f2d7c8f2d0989354d75d24c8573714"},
+    {file = "smmap-3.0.5.tar.gz", hash = "sha256:84c2751ef3072d4f6b2785ec7ee40244c6f45eb934d9e543e2c51f1bd3d54c50"},
 ]
 snowballstemmer = [
     {file = "snowballstemmer-2.1.0-py2.py3-none-any.whl", hash = "sha256:b51b447bea85f9968c13b650126a888aabd4cb4463fca868ec596826325dedc2"},