diff --git a/docs/tutorial/directory-and-assets.md b/docs/tutorial/directory-and-assets.md
index 43216a1..57dbd43 100644
--- a/docs/tutorial/directory-and-assets.md
+++ b/docs/tutorial/directory-and-assets.md
@@ -72,7 +72,7 @@ a **Git repo** instead.
 ### Downloading from a URL or cloud storage
 
 Under the hood, Weasel uses the
-[`smart-open`](https://github.com/RaRe-Technologies/smart_open) library so you
+[`smart_open`](https://github.com/RaRe-Technologies/smart_open) library so you
 can use any protocol it supports. Note that you may need to install extra
 dependencies to use certain protocols.
 
diff --git a/requirements.txt b/requirements.txt
index f078186..4003e3e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ wasabi>=0.9.1,<1.2.0
 srsly>=2.4.3,<3.0.0
 typer>=0.3.0,<0.10.0
 cloudpathlib>=0.7.0,<1.0.0
-smart-open>=5.2.1,<7.0.0
+smart-open>=5.2.1,<8.0.0
 # Third party dependencies
 requests>=2.13.0,<3.0.0
 pydantic>=1.7.4,!=1.8,!=1.8.1,<3.0.0
diff --git a/setup.cfg b/setup.cfg
index 6157c3c..2543f3b 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -37,7 +37,7 @@ install_requires =
     srsly>=2.4.3,<3.0.0
     typer>=0.3.0,<0.10.0
     cloudpathlib>=0.7.0,<1.0.0
-    smart-open>=5.2.1,<7.0.0
+    smart-open>=5.2.1,<8.0.0
     requests>=2.13.0,<3.0.0
     pydantic>=1.7.4,!=1.8,!=1.8.1,<3.0.0
 
diff --git a/weasel/cli/pull.py b/weasel/cli/pull.py
index adc34da..612bf03 100644
--- a/weasel/cli/pull.py
+++ b/weasel/cli/pull.py
@@ -17,7 +17,7 @@ def project_pull_cli(
 ):
     """Retrieve available precomputed outputs from a remote storage.
     You can alias remotes in your project.yml by mapping them to storage paths.
-    A storage can be anything that the smart-open library can upload to, e.g.
+    A storage can be anything that the smart_open library can upload to, e.g.
     AWS, Google Cloud Storage, SSH, local directories etc.
 
     DOCS: https://github.com/explosion/weasel/tree/main/docs/cli.md#arrow_down-push
diff --git a/weasel/cli/push.py b/weasel/cli/push.py
index fdcda11..7682925 100644
--- a/weasel/cli/push.py
+++ b/weasel/cli/push.py
@@ -16,7 +16,7 @@ def project_push_cli(
 ):
     """Persist outputs to a remote storage. You can alias remotes in your
     project.yml by mapping them to storage paths. A storage can be anything that
-    the smart-open library can upload to, e.g. AWS, Google Cloud Storage, SSH,
+    the smart_open library can upload to, e.g. AWS, Google Cloud Storage, SSH,
     local directories etc.
 
     DOCS: https://github.com/explosion/weasel/tree/main/docs/cli.md#arrow_up-push
@@ -30,7 +30,7 @@ def project_push_cli(
 
 def project_push(project_dir: Path, remote: str):
     """Persist outputs to a remote storage. You can alias remotes in your project.yml
-    by mapping them to storage paths. A storage can be anything that the smart-open
+    by mapping them to storage paths. A storage can be anything that the smart_open
     library can upload to, e.g. gcs, aws, ssh, local directories etc
     """
     config = load_project_config(project_dir)
diff --git a/weasel/cli/remote_storage.py b/weasel/cli/remote_storage.py
index adcc13a..066b84b 100644
--- a/weasel/cli/remote_storage.py
+++ b/weasel/cli/remote_storage.py
@@ -20,7 +20,7 @@
 class RemoteStorage:
     """Push and pull outputs to and from a remote file storage.
 
-    Remotes can be anything that `smart-open` can support: AWS, GCS, file system,
+    Remotes can be anything that `smart_open` can support: AWS, GCS, file system,
     ssh, etc.
     """