diff --git a/poetry.lock b/poetry.lock
index e9674bb..e7153d9 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -473,7 +473,7 @@ description = "Human friendly output for text interfaces using Python"
 name = "humanfriendly"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
-version = "7.1.1"
+version = "8.1"
 
 [package.dependencies]
 pyreadline = "*"
@@ -1046,7 +1046,7 @@ version = "0.6.0"
 more-itertools = "*"
 
 [metadata]
-content-hash = "818602d3843e091823becc34bcb0d8c4efc3a3573521f6e88823f6f5364c2dd4"
+content-hash = "c3342c1613d80551df46ad8f1157eb25d937987c0e06ef8b2f3b068ffb278b64"
 python-versions = "^3.6"
 
 [metadata.hashes]
@@ -1094,7 +1094,7 @@ flake8-string-format = ["68ea72a1a5b75e7018cae44d14f32473c798cf73d75cbaed86c6a9a
 future = ["b1bead90b70cf6ec3f0710ae53a525360fa360d306a86583adc6bf83a4db537d"]
 gitdb2 = ["1b6df1433567a51a4a9c1a5a0de977aa351a405cc56d7d35f3388bad1f630350", "96bbb507d765a7f51eb802554a9cfe194a174582f772e0d89f4e87288c288b7b"]
 gitpython = ["9c2398ffc3dcb3c40b27324b316f08a4f93ad646d5a6328cafbb871aa79f5e42", "c155c6a2653593ccb300462f6ef533583a913e17857cfef8fc617c246b6dc245"]
-humanfriendly = ["5e5c2b82fb58dcea413b48ab2a7381baa5e246d47fe94241d7d83724c11c0565", "a9a41074c24dc5d6486e8784dc8f057fec8b963217e941c25fb7c7c383a4a1c1"]
+humanfriendly = ["25c2108a45cfd1e8fbe9cdb30b825d34ef5d5675c8e11e4775c9aedbfb0bdee2", "3a831920e40e55ad49adb64c9179ed50c604cabca72cd300e7bd5b51310e4ebb"]
 idna = ["c357b3f628cf53ae2c4c05627ecc484553142ca23264e593d327bcde5e9c3407", "ea8b7f6188e6fa117537c3df7da9fc686d485087abf6ac197f9c46432f7e4a3c"]
 importlib-metadata = ["aa18d7378b00b40847790e7c27e11673d7fed219354109d0e7b9e5b25dc3ad26", "d5f18a79777f3aa179c145737780282e27b508fc8fd688cb17c7a813e8bd39af"]
 isort = ["54da7e92468955c4fceacd0c86bd0ec997b0e1ee80d97f67c35a78b719dccab1", "6e811fcb295968434526407adb8796944f1988c5b65e8139058f2014cbe100fd"]
diff --git a/pyproject.toml b/pyproject.toml
index 43b920a..79c67b4 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -43,7 +43,7 @@ disl = "docker_image_size_limit:main"
 [tool.poetry.dependencies]
 python = "^3.6"
 docker = ">=3.7,<5.0"
-humanfriendly = ">=4.18,<8.0"
+humanfriendly = ">=4.18,<9.0"
 
 [tool.poetry.dev-dependencies]
 pytest-cov = "^2.8"