diff --git a/poetry.lock b/poetry.lock
index dfb583b..751e5cb 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1215,6 +1215,17 @@ dev = ["pytest", "coverage", "tox", "sphinx", "pallets-sphinx-themes", "sphinx-i
 termcolor = ["termcolor"]
 watchdog = ["watchdog"]
 
+[[package]]
+category = "main"
+description = "A built-package format for Python"
+name = "wheel"
+optional = false
+python-versions = "!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,!=3.4.*,>=2.7"
+version = "0.35.1"
+
+[package.extras]
+test = ["pytest (>=3.0.0)", "pytest-cov"]
+
 [[package]]
 category = "main"
 description = "A flexible forms validation and rendering library for Python web development."
@@ -1250,7 +1261,7 @@ docs = ["sphinx", "jaraco.packaging (>=3.2)", "rst.linker (>=1.9)"]
 testing = ["pathlib2", "contextlib2", "unittest2"]
 
 [metadata]
-content-hash = "cacb36583208a9a42ca6202f093aa82857c665bf5f35149c600313b080672c07"
+content-hash = "118d1166a7f31cbd59191bd86521cf9a80a1f537f747bb7d4d5be0bfec71b45d"
 python-versions = "~3.6"
 
 [metadata.files]
@@ -1889,6 +1900,10 @@ werkzeug = [
     {file = "Werkzeug-0.15.4-py2.py3-none-any.whl", hash = "sha256:865856ebb55c4dcd0630cdd8f3331a1847a819dda7e8c750d3db6f2aa6c0209c"},
     {file = "Werkzeug-0.15.4.tar.gz", hash = "sha256:a0b915f0815982fb2a09161cb8f31708052d0951c3ba433ccc5e1aa276507ca6"},
 ]
+wheel = [
+    {file = "wheel-0.35.1-py2.py3-none-any.whl", hash = "sha256:497add53525d16c173c2c1c733b8f655510e909ea78cc0e29d374243544b77a2"},
+    {file = "wheel-0.35.1.tar.gz", hash = "sha256:99a22d87add3f634ff917310a3d87e499f19e663413a52eb9232c447aa646c9f"},
+]
 wtforms = [
     {file = "WTForms-2.2.1-py2.py3-none-any.whl", hash = "sha256:e3ee092c827582c50877cdbd49e9ce6d2c5c1f6561f849b3b068c1b8029626f1"},
     {file = "WTForms-2.2.1.tar.gz", hash = "sha256:0cdbac3e7f6878086c334aa25dc5a33869a3954e9d1e015130d65a69309b3b61"},