diff --git a/go.mod b/go.mod
index 1aaa82d..5c67045 100644
--- a/go.mod
+++ b/go.mod
@@ -3,7 +3,8 @@ module github.com/lmika/ted
 go 1.15
 
 require (
+	github.com/gdamore/tcell v1.4.0
 	github.com/lmika/shellwords v0.0.0-20140714114018-ce258dd729fe
-	github.com/mattn/go-runewidth v0.0.9 // indirect
-	github.com/nsf/termbox-go v0.0.0-20200418040025-38ba6e5628f1
+	github.com/mattn/go-runewidth v0.0.10 // indirect
+	github.com/rivo/uniseg v0.2.0 // indirect
 )
diff --git a/go.sum b/go.sum
index 87c946c..101b134 100644
--- a/go.sum
+++ b/go.sum
@@ -1,6 +1,19 @@
+github.com/gdamore/encoding v1.0.0 h1:+7OoQ1Bc6eTm5niUzBa0Ctsh6JbMW6Ra+YNuAtDBdko=
+github.com/gdamore/encoding v1.0.0/go.mod h1:alR0ol34c49FCSBLjhosxzcPHQbf2trDkoo5dl+VrEg=
+github.com/gdamore/tcell v1.4.0 h1:vUnHwJRvcPQa3tzi+0QI4U9JINXYJlOz9yiaiPQ2wMU=
+github.com/gdamore/tcell v1.4.0/go.mod h1:vxEiSDZdW3L+Uhjii9c3375IlDmR05bzxY404ZVSMo0=
 github.com/lmika/shellwords v0.0.0-20140714114018-ce258dd729fe h1:1UXS/6OFkbi6JrihPykmYO1VtsABB02QQ+YmYYzTY18=
 github.com/lmika/shellwords v0.0.0-20140714114018-ce258dd729fe/go.mod h1:qpdOkLougV5Yry4Px9f1w1pNMavcr6Z67VW5Ro+vW5I=
-github.com/mattn/go-runewidth v0.0.9 h1:Lm995f3rfxdpd6TSmuVCHVb/QhupuXlYr8sCI/QdE+0=
-github.com/mattn/go-runewidth v0.0.9/go.mod h1:H031xJmbD/WCDINGzjvQ9THkh0rPKHF+m2gUSrubnMI=
-github.com/nsf/termbox-go v0.0.0-20200418040025-38ba6e5628f1 h1:lh3PyZvY+B9nFliSGTn5uFuqQQJGuNrD0MLCokv09ag=
-github.com/nsf/termbox-go v0.0.0-20200418040025-38ba6e5628f1/go.mod h1:IuKpRQcYE1Tfu+oAQqaLisqDeXgjyyltCfsaoYN18NQ=
+github.com/lucasb-eyer/go-colorful v1.0.3 h1:QIbQXiugsb+q10B+MI+7DI1oQLdmnep86tWFlaaUAac=
+github.com/lucasb-eyer/go-colorful v1.0.3/go.mod h1:R4dSotOR9KMtayYi1e77YzuveK+i7ruzyGqttikkLy0=
+github.com/mattn/go-runewidth v0.0.7/go.mod h1:H031xJmbD/WCDINGzjvQ9THkh0rPKHF+m2gUSrubnMI=
+github.com/mattn/go-runewidth v0.0.10 h1:CoZ3S2P7pvtP45xOtBw+/mDL2z0RKI576gSkzRRpdGg=
+github.com/mattn/go-runewidth v0.0.10/go.mod h1:RAqKPSqVFrSLVXbA8x7dzmKdmGzieGRCM46jaSJTDAk=
+github.com/rivo/uniseg v0.1.0 h1:+2KBaVoUmb9XzDsrx/Ct0W/EYOSFf/nWTauy++DprtY=
+github.com/rivo/uniseg v0.1.0/go.mod h1:J6wj4VEh+S6ZtnVlnTBMWIodfgj8LQOQFoIToxlJtxc=
+github.com/rivo/uniseg v0.2.0 h1:S1pD9weZBuJdFmowNwbpi7BJ8TNftyUImj/0WQi72jY=
+github.com/rivo/uniseg v0.2.0/go.mod h1:J6wj4VEh+S6ZtnVlnTBMWIodfgj8LQOQFoIToxlJtxc=
+golang.org/x/sys v0.0.0-20190626150813-e07cf5db2756 h1:9nuHUbU8dRnRRfj9KjWUVrJeoexdbeMjttk6Oh1rD10=
+golang.org/x/sys v0.0.0-20190626150813-e07cf5db2756/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/text v0.3.0 h1:g61tztE5qeGQ89tm6NTjjM9VPIm088od1l6aSorWRWg=
+golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
diff --git a/ui/termboxdriver.go b/ui/termboxdriver.go
index a7a9d26..e8746af 100644
--- a/ui/termboxdriver.go
+++ b/ui/termboxdriver.go
@@ -3,7 +3,7 @@
 package ui
 
 import (
-	"github.com/nsf/termbox-go"
+	"github.com/gdamore/tcell/termbox"
 )
 
 type TermboxDriver struct {
@@ -101,7 +101,6 @@ var termboxKeysToSpecialKeys = map[termbox.Key]rune{
 	termbox.KeyArrowLeft:  KeyArrowLeft,
 	termbox.KeyArrowRight: KeyArrowRight,
 
-	termbox.KeyCtrlSpace: KeyCtrlSpace,
 	termbox.KeyCtrlA:     KeyCtrlA,
 	termbox.KeyCtrlB:     KeyCtrlB,
 	termbox.KeyCtrlC:     KeyCtrlC,
@@ -133,5 +132,4 @@ var termboxKeysToSpecialKeys = map[termbox.Key]rune{
 	termbox.KeyCtrl5:     KeyCtrl5,
 	termbox.KeyCtrl6:     KeyCtrl6,
 	termbox.KeyCtrl7:     KeyCtrl7,
-	termbox.KeyCtrl8:     KeyCtrl8,
 }