diff --git a/poetry.lock b/poetry.lock
index 88939184..6730be2d 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -956,16 +956,17 @@ category = "main"
 description = "A set of python modules for machine learning and data mining"
 name = "scikit-learn"
 optional = false
-python-versions = ">=3.5"
-version = "0.22.2.post1"
+python-versions = ">=3.6"
+version = "0.23.1"
 
 [package.dependencies]
 joblib = ">=0.11"
-numpy = ">=1.11.0"
-scipy = ">=0.17.0"
+numpy = ">=1.13.3"
+scipy = ">=0.19.1"
+threadpoolctl = ">=2.0.0"
 
 [package.extras]
-alldeps = ["numpy (>=1.11.0)", "scipy (>=0.17.0)"]
+alldeps = ["numpy (>=1.13.3)", "scipy (>=0.19.1)"]
 
 [[package]]
 category = "main"
@@ -1217,6 +1218,14 @@ cuda90 = ["cupy-cuda90 (>=5.0.0b4)"]
 cuda91 = ["cupy-cuda91 (>=5.0.0b4)"]
 cuda92 = ["cupy-cuda92 (>=5.0.0b4)"]
 
+[[package]]
+category = "main"
+description = "threadpoolctl"
+name = "threadpoolctl"
+optional = false
+python-versions = ">=3.5"
+version = "2.1.0"
+
 [[package]]
 category = "main"
 description = "Fast and Customizable Tokenizers"
@@ -2022,27 +2031,22 @@ sacremoses = [
     {file = "sacremoses-0.0.43.tar.gz", hash = "sha256:123c1bf2664351fb05e16f87d3786dbe44a050cfd7b85161c09ad9a63a8e2948"},
 ]
 scikit-learn = [
-    {file = "scikit-learn-0.22.2.post1.tar.gz", hash = "sha256:57538d138ba54407d21e27c306735cbd42a6aae0df6a5a30c7a6edde46b0017d"},
-    {file = "scikit_learn-0.22.2.post1-cp35-cp35m-macosx_10_9_intel.whl", hash = "sha256:267ad874b54c67b479c3b45eb132ef4a56ab2b27963410624a413a4e2a3fc388"},
-    {file = "scikit_learn-0.22.2.post1-cp35-cp35m-manylinux1_i686.whl", hash = "sha256:8ed66ab27b3d68e57bb1f315fc35e595a5c4a1f108c3420943de4d18fc40e615"},
-    {file = "scikit_learn-0.22.2.post1-cp35-cp35m-manylinux1_x86_64.whl", hash = "sha256:4990f0e166292d2a0f0ee528233723bcfd238bfdb3ec2512a9e27f5695362f35"},
-    {file = "scikit_learn-0.22.2.post1-cp35-cp35m-win32.whl", hash = "sha256:ddd3bf82977908ff69303115dd5697606e669d8a7eafd7d83bb153ef9e11bd5e"},
-    {file = "scikit_learn-0.22.2.post1-cp35-cp35m-win_amd64.whl", hash = "sha256:349ba3d837fb3f7cb2b91486c43713e4b7de17f9e852f165049b1b7ac2f81478"},
-    {file = "scikit_learn-0.22.2.post1-cp36-cp36m-macosx_10_9_x86_64.whl", hash = "sha256:73207dca6e70f8f611f28add185cf3a793c8232a1722f21d82259560dc35cd50"},
-    {file = "scikit_learn-0.22.2.post1-cp36-cp36m-manylinux1_i686.whl", hash = "sha256:de9933297f8659ee3bb330eafdd80d74cd73d5dab39a9026b65a4156bc479063"},
-    {file = "scikit_learn-0.22.2.post1-cp36-cp36m-manylinux1_x86_64.whl", hash = "sha256:6043e2c4ccfc68328c331b0fc19691be8fb02bd76d694704843a23ad651de902"},
-    {file = "scikit_learn-0.22.2.post1-cp36-cp36m-win32.whl", hash = "sha256:8416150ab505f1813da02cdbdd9f367b05bfc75cf251235015bb09f8674358a0"},
-    {file = "scikit_learn-0.22.2.post1-cp36-cp36m-win_amd64.whl", hash = "sha256:a7f8aa93f61aaad080b29a9018db93ded0586692c03ddf2122e47dd1d3a14e1b"},
-    {file = "scikit_learn-0.22.2.post1-cp37-cp37m-macosx_10_9_x86_64.whl", hash = "sha256:eb4c9f0019abb374a2e55150f070a333c8f990b850d1eb4dfc2765fc317ffc7c"},
-    {file = "scikit_learn-0.22.2.post1-cp37-cp37m-manylinux1_i686.whl", hash = "sha256:ffce8abfdcd459e72e5b91727b247b401b22253cbd18d251f842a60e26262d6f"},
-    {file = "scikit_learn-0.22.2.post1-cp37-cp37m-manylinux1_x86_64.whl", hash = "sha256:84e759a766c315deb5c85139ff879edbb0aabcddb9358acf499564ed1c21e337"},
-    {file = "scikit_learn-0.22.2.post1-cp37-cp37m-win32.whl", hash = "sha256:5b722e8bb708f254af028dc2da86d23df5371cba57e24f889b672e7b15423caa"},
-    {file = "scikit_learn-0.22.2.post1-cp37-cp37m-win_amd64.whl", hash = "sha256:3f4d8eea3531d3eaf613fa33f711113dfff6021d57a49c9d319af4afb46f72f0"},
-    {file = "scikit_learn-0.22.2.post1-cp38-cp38-macosx_10_9_x86_64.whl", hash = "sha256:2d1bb83d6c51a81193d8a6b5f31930e2959c0e1019d49bdd03f54163735dae4b"},
-    {file = "scikit_learn-0.22.2.post1-cp38-cp38-manylinux1_i686.whl", hash = "sha256:ea91a70a992ada395efc3d510cf011dc2d99dc9037bb38cd1cb00e14745005f5"},
-    {file = "scikit_learn-0.22.2.post1-cp38-cp38-manylinux1_x86_64.whl", hash = "sha256:83fc104a799cb340054e485c25dfeee712b36f5638fb374eba45a9db490f16ff"},
-    {file = "scikit_learn-0.22.2.post1-cp38-cp38-win32.whl", hash = "sha256:1bf45e62799b6938357cfce19f72e3751448c4b27010e4f98553da669b5bbd86"},
-    {file = "scikit_learn-0.22.2.post1-cp38-cp38-win_amd64.whl", hash = "sha256:672ea38eb59b739a8907ec063642b486bcb5a2073dda5b72b7983eeaf1fd67c1"},
+    {file = "scikit-learn-0.23.1.tar.gz", hash = "sha256:e3fec1c8831f8f93ad85581ca29ca1bb88e2da377fb097cf8322aa89c21bc9b8"},
+    {file = "scikit_learn-0.23.1-cp36-cp36m-macosx_10_9_x86_64.whl", hash = "sha256:058d213092de4384710137af1300ed0ff030b8c40459a6c6f73c31ccd274cc39"},
+    {file = "scikit_learn-0.23.1-cp36-cp36m-manylinux1_i686.whl", hash = "sha256:ebe853e6f318f9d8b3b74dd17e553720d35646eff675a69eeaed12fbbbb07daa"},
+    {file = "scikit_learn-0.23.1-cp36-cp36m-manylinux1_x86_64.whl", hash = "sha256:e9879ba9e64ec3add41bf201e06034162f853652ef4849b361d73b0deb3153ad"},
+    {file = "scikit_learn-0.23.1-cp36-cp36m-win32.whl", hash = "sha256:c2fa33d20408b513cf432505c80e6eb4bf4d71434f1ae36680765d4a2c2a16ec"},
+    {file = "scikit_learn-0.23.1-cp36-cp36m-win_amd64.whl", hash = "sha256:e585682e37f2faa81ad6cd4472fff646bf2fd0542147bec93697a905db8e6bd2"},
+    {file = "scikit_learn-0.23.1-cp37-cp37m-macosx_10_9_x86_64.whl", hash = "sha256:244ca85d6eba17a1e6e8a66ab2f584be6a7784b5f59297e3d7ff8c7983af627c"},
+    {file = "scikit_learn-0.23.1-cp37-cp37m-manylinux1_i686.whl", hash = "sha256:9e04c0811ea92931ee8490d638171b8cb2f21387efcfff526bbc8c2a3da60f1c"},
+    {file = "scikit_learn-0.23.1-cp37-cp37m-manylinux1_x86_64.whl", hash = "sha256:0e7b55f73b35537ecd0d19df29dd39aa9e076dba78f3507b8136c819d84611fd"},
+    {file = "scikit_learn-0.23.1-cp37-cp37m-win32.whl", hash = "sha256:bded94236e16774385202cafd26190ce96db18e4dc21e99473848c61e4fdc400"},
+    {file = "scikit_learn-0.23.1-cp37-cp37m-win_amd64.whl", hash = "sha256:04799686060ecbf8992f26a35be1d99e981894c8c7860c1365cda4200f954a16"},
+    {file = "scikit_learn-0.23.1-cp38-cp38-macosx_10_9_x86_64.whl", hash = "sha256:0c3464e46ef8bd4f1bfa5c009648c6449412c8f7e9b3fc0c9e3d800139c48827"},
+    {file = "scikit_learn-0.23.1-cp38-cp38-manylinux1_i686.whl", hash = "sha256:93f56abd316d131645559ec0ab4f45e3391c2ccdd4eadaa4912f4c1e0a6f2c96"},
+    {file = "scikit_learn-0.23.1-cp38-cp38-manylinux1_x86_64.whl", hash = "sha256:3e6e92b495eee193a8fa12a230c9b7976ea0fc1263719338e35c986ea1e42cff"},
+    {file = "scikit_learn-0.23.1-cp38-cp38-win32.whl", hash = "sha256:5bcea4d6ee431c814261117281363208408aa4e665633655895feb059021aca6"},
+    {file = "scikit_learn-0.23.1-cp38-cp38-win_amd64.whl", hash = "sha256:16feae4361be6b299d4d08df5a30956b4bfc8eadf173fe9258f6d59630f851d4"},
 ]
 scipy = [
     {file = "scipy-1.5.1-cp36-cp36m-macosx_10_9_x86_64.whl", hash = "sha256:058e84930407927f71963a4ad8c1dc96c4d2d075636a68578195648c81f78810"},
@@ -2179,6 +2183,10 @@ thinc = [
     {file = "thinc-7.4.0-cp38-cp38-win_amd64.whl", hash = "sha256:5ac162b010f21f8fcc3fd10766025fad3ec670f6b2e0a72284912332d1ae292a"},
     {file = "thinc-7.4.0.tar.gz", hash = "sha256:523e9be1bfaa3ed1d03d406ce451b6b4793a9719d5b83d2ea6b3398b96bc58b8"},
 ]
+threadpoolctl = [
+    {file = "threadpoolctl-2.1.0-py3-none-any.whl", hash = "sha256:38b74ca20ff3bb42caca8b00055111d74159ee95c4370882bbff2b93d24da725"},
+    {file = "threadpoolctl-2.1.0.tar.gz", hash = "sha256:ddc57c96a38beb63db45d6c159b5ab07b6bced12c45a1f07b2b92f272aebfa6b"},
+]
 tokenizers = [
     {file = "tokenizers-0.7.0-cp35-cp35m-macosx_10_10_x86_64.whl", hash = "sha256:c9edc043bc14462faf8b261b528661718e9c4f0b8424fb25be71cae26187432a"},
     {file = "tokenizers-0.7.0-cp35-cp35m-manylinux1_x86_64.whl", hash = "sha256:892dac477347c65d65eef5092e9aa0c02df17f1a6d2113380277505bc6ae1db4"},
diff --git a/pyproject.toml b/pyproject.toml
index 36aed777..9fecca49 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -31,7 +31,7 @@ typing-extensions = ">=3.7.4"
 pyahocorasick = "^1.4.0"
 catalogue = "^1.0.0"
 more-itertools = "*"
-scikit-learn = "^0.22"
+scikit-learn = ">=0.22,<0.24"
 transformers = "^2.10"
 torch = "^1.0"
 pytokenizations = ">=0.4.8"