diff --git a/.travis.yml b/.travis.yml
index 47cdd3f43d..953d6c6290 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -11,6 +11,8 @@ env:
     - RETRY_TIMEOUT_SECONDS=15
   matrix:
     - TMUX_VERSION=master
+    - TMUX_VERSION=2.8
+    - TMUX_VERSION=2.7
     - TMUX_VERSION=2.6
     - TMUX_VERSION=2.5
     - TMUX_VERSION=2.4
diff --git a/requirements/base.txt b/requirements/base.txt
index 3d611d1b92..9f971298a9 100644
--- a/requirements/base.txt
+++ b/requirements/base.txt
@@ -1,4 +1,4 @@
 kaptan>=0.5.10
-libtmux==0.8.0
+libtmux==0.8.1
 click>=7<8
 colorama>=0.3.9
diff --git a/tests/test_workspacebuilder.py b/tests/test_workspacebuilder.py
index f25498eae7..6085ea46d4 100644
--- a/tests/test_workspacebuilder.py
+++ b/tests/test_workspacebuilder.py
@@ -213,8 +213,8 @@ def test_global_options(session):
     builder = WorkspaceBuilder(sconf=sconfig)
     builder.build(session=session)
 
-    assert "top" in s.show_option('status-position', g=True)
-    assert 493 == s.show_option('repeat-time', g=True)
+    assert "top" in s.show_option('status-position', _global=True)
+    assert 493 == s.show_option('repeat-time', _global=True)
 
 
 def test_global_session_env_options(session, monkeypatch):
@@ -234,7 +234,7 @@ def test_global_session_env_options(session, monkeypatch):
     builder = WorkspaceBuilder(sconf=sconfig)
     builder.build(session=session)
 
-    assert visual_silence in s.show_option('visual-silence', g=True)
+    assert visual_silence in s.show_option('visual-silence', _global=True)
     assert repeat_time == s.show_option('repeat-time')
     assert main_pane_height == s.attached_window.show_window_option('main-pane-height')
 
diff --git a/tmuxp/workspacebuilder.py b/tmuxp/workspacebuilder.py
index 37df61850b..2cb3649260 100644
--- a/tmuxp/workspacebuilder.py
+++ b/tmuxp/workspacebuilder.py
@@ -172,7 +172,7 @@ def build(self, session=None):
                 self.session.set_option(option, value)
         if 'global_options' in self.sconf:
             for option, value in self.sconf['global_options'].items():
-                self.session.set_option(option, value, g=True)
+                self.session.set_option(option, value, _global=True)
         if 'environment' in self.sconf:
             for option, value in self.sconf['environment'].items():
                 self.session.set_environment(option, value)