diff --git a/go.mod b/go.mod
index 2a36af8..85d9323 100644
--- a/go.mod
+++ b/go.mod
@@ -3,10 +3,13 @@ module rpn
 go 1.22
 
 require (
-	github.com/chzyer/readline v1.5.1 // indirect
-	github.com/rogpeppe/go-internal v1.11.0 // indirect
-	github.com/spf13/pflag v1.0.5 // indirect
-	github.com/yuin/gopher-lua v1.1.0 // indirect
+	github.com/chzyer/readline v1.5.1
+	github.com/rogpeppe/go-internal v1.11.0
+	github.com/spf13/pflag v1.0.5
+	github.com/yuin/gopher-lua v1.1.1
+)
+
+require (
 	golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f // indirect
 	golang.org/x/tools v0.1.12 // indirect
 )
diff --git a/go.sum b/go.sum
index de11015..804808c 100644
--- a/go.sum
+++ b/go.sum
@@ -8,6 +8,8 @@ github.com/spf13/pflag v1.0.5 h1:iy+VFUOCP1a+8yFto/drg2CJ5u0yRoB7fZw3DKv/JXA=
 github.com/spf13/pflag v1.0.5/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
 github.com/yuin/gopher-lua v1.1.0 h1:BojcDhfyDWgU2f2TOzYK/g5p2gxMrku8oupLDqlnSqE=
 github.com/yuin/gopher-lua v1.1.0/go.mod h1:GBR0iDaNXjAgGg9zfCvksxSRnQx76gclCIb7kdAd1Pw=
+github.com/yuin/gopher-lua v1.1.1 h1:kYKnWBjvbNP4XLT3+bPEwAXJx262OhaHDWDVOPjL46M=
+github.com/yuin/gopher-lua v1.1.1/go.mod h1:GBR0iDaNXjAgGg9zfCvksxSRnQx76gclCIb7kdAd1Pw=
 golang.org/x/sys v0.0.0-20220310020820-b874c991c1a5 h1:y/woIyUBFbpQGKS0u1aHF/40WUDnek3fPOyD08H5Vng=
 golang.org/x/sys v0.0.0-20220310020820-b874c991c1a5/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f h1:v4INt8xihDGvnrfjMDVXGxw9wrfxYyCjk0KbXjhR55s=