diff --git a/.github/workflows/go.yml b/.github/workflows/go.yml
index b260115a..3aed669b 100644
--- a/.github/workflows/go.yml
+++ b/.github/workflows/go.yml
@@ -19,7 +19,7 @@ jobs:
     - name: set up golang
       uses: actions/setup-go@v2
       with:
-        go-version: 1.17
+        go-version: 1.18
 
     - name: format
       run: ./hack/check-format.sh
@@ -42,7 +42,7 @@ jobs:
     runs-on: ubuntu-20.04
     strategy:
       matrix:
-        go: [ '1.15', '1.16', '1.17' ]
+        go: [ '1.18', '1.19']
     steps:
     - uses: actions/checkout@v2
 
@@ -63,7 +63,7 @@ jobs:
     runs-on: windows-2019
     strategy:
       matrix:
-        go: [ '1.16' ]
+        go: [ '1.18' ]
     steps:
     - uses: actions/checkout@v2
 
@@ -91,7 +91,7 @@ jobs:
     runs-on: macos-10.15
     strategy:
       matrix:
-        go: [ '1.16' ]
+        go: [ '1.18' ]
     steps:
     - uses: actions/checkout@v2
 
diff --git a/go.mod b/go.mod
index 6ffd3e4c..f4e81862 100644
--- a/go.mod
+++ b/go.mod
@@ -1,20 +1,23 @@
 module github.com/jaypipes/ghw
 
-go 1.15
+go 1.18
 
 require (
 	github.com/StackExchange/wmi v1.2.1
 	github.com/ghodss/yaml v1.0.0
+	github.com/jaypipes/pcidb v1.0.0
+	github.com/pkg/errors v0.9.1
+	github.com/spf13/cobra v0.0.3
+	howett.net/plist v1.0.0
+)
+
+require (
 	github.com/go-ole/go-ole v1.2.6 // indirect
 	github.com/inconshreveable/mousetrap v1.0.0 // indirect
-	github.com/jaypipes/pcidb v1.0.0
 	github.com/kr/pretty v0.1.0 // indirect
 	github.com/mitchellh/go-homedir v1.1.0 // indirect
-	github.com/pkg/errors v0.9.1
-	github.com/spf13/cobra v0.0.3
 	github.com/spf13/pflag v1.0.2 // indirect
 	golang.org/x/sys v0.0.0-20220319134239-a9b59b0215f8 // indirect
 	gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 // indirect
 	gopkg.in/yaml.v2 v2.4.0 // indirect
-	howett.net/plist v1.0.0
 )
diff --git a/go.sum b/go.sum
index 2d6b4e9e..09de766c 100644
--- a/go.sum
+++ b/go.sum
@@ -15,7 +15,6 @@ github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORN
 github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
 github.com/kr/text v0.1.0 h1:45sCR5RtlFHMR4UwH9sdQ5TC8v0qDQCHnXt+kaKSTVE=
 github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
-github.com/mitchellh/go-homedir v1.0.0/go.mod h1:SfyaCUpYCn1Vlf4IUYiD9fPX4A5wJrkLzIz1N1q0pr0=
 github.com/mitchellh/go-homedir v1.1.0 h1:lukF9ziXFxDFPkA1vsr5zpc1XuPDn/wFntq5mG+4E0Y=
 github.com/mitchellh/go-homedir v1.1.0/go.mod h1:SfyaCUpYCn1Vlf4IUYiD9fPX4A5wJrkLzIz1N1q0pr0=
 github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=