diff --git a/go.mod b/go.mod
index 207524e..83be84d 100644
--- a/go.mod
+++ b/go.mod
@@ -3,7 +3,7 @@ module github.com/charmbracelet/tea
 go 1.13
 
 require (
-	github.com/muesli/termenv v0.4.1-0.20200225030536-aeb2025df636
+	github.com/muesli/termenv v0.5.0
 	github.com/pkg/term v0.0.0-20190109203006-aa71e9d9e942
-	golang.org/x/sys v0.0.0-20200120151820-655fe14d7479 // indirect
+	golang.org/x/sys v0.0.0-20200331124033-c3d80250170d // indirect
 )
diff --git a/go.sum b/go.sum
index 0a0da88..19dcb90 100644
--- a/go.sum
+++ b/go.sum
@@ -4,10 +4,10 @@ github.com/lucasb-eyer/go-colorful v1.0.3 h1:QIbQXiugsb+q10B+MI+7DI1oQLdmnep86tW
 github.com/lucasb-eyer/go-colorful v1.0.3/go.mod h1:R4dSotOR9KMtayYi1e77YzuveK+i7ruzyGqttikkLy0=
 github.com/mattn/go-isatty v0.0.12 h1:wuysRhFDzyxgEmMf5xjvJ2M9dZoWAXNNr5LSBS7uHXY=
 github.com/mattn/go-isatty v0.0.12/go.mod h1:cbi8OIDigv2wuxKPP5vlRcQ1OAZbq2CE4Kysco4FUpU=
-github.com/muesli/termenv v0.4.1-0.20200225030536-aeb2025df636 h1:E8Ak48QMa0KO1r/IaPrpUxD+mEcOXB+4Q1ySBx04P6k=
-github.com/muesli/termenv v0.4.1-0.20200225030536-aeb2025df636/go.mod h1:O1/I6sw+6KcrgAmcs6uiUVr7Lui+DNVbHTzt9Lm/PlI=
+github.com/muesli/termenv v0.5.0 h1:7uYkBUJ2EE+CdWlBoYzO70I/cq/r3bOm4a40/lvmiAU=
+github.com/muesli/termenv v0.5.0/go.mod h1:O1/I6sw+6KcrgAmcs6uiUVr7Lui+DNVbHTzt9Lm/PlI=
 github.com/pkg/term v0.0.0-20190109203006-aa71e9d9e942 h1:A7GG7zcGjl3jqAqGPmcNjd/D9hzL95SuoOQAaFNdLU0=
 github.com/pkg/term v0.0.0-20190109203006-aa71e9d9e942/go.mod h1:eCbImbZ95eXtAUIbLAuAVnBnwf83mjf6QIVH8SHYwqQ=
 golang.org/x/sys v0.0.0-20200116001909-b77594299b42/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20200120151820-655fe14d7479 h1:LhLiKguPgZL+Tglay4GhVtfF0kb8cvOJ0dHTCBO8YNI=
-golang.org/x/sys v0.0.0-20200120151820-655fe14d7479/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200331124033-c3d80250170d h1:nc5K6ox/4lTFbMVSL9WRR81ixkcwXThoiF6yf+R9scA=
+golang.org/x/sys v0.0.0-20200331124033-c3d80250170d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=