diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 019b9ff..a42d1bf 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -35,6 +35,6 @@ jobs:
     - uses: actions/setup-go@0c52d547c9bc32b1aa3301fd7a9cb496313a4491
       with:
         go-version: stable
-    - uses: golangci/golangci-lint-action@3a919529898de77ec3da873e3063ca4b10e7f5cc
+    - uses: golangci/golangci-lint-action@3cfe3a4abbb849e10058ce4af15d205b6da42804
       with:
-        version: v1.55.2
+        version: v1.56.2
diff --git a/.golangci.yml b/.golangci.yml
index e24e49e..35fc90b 100644
--- a/.golangci.yml
+++ b/.golangci.yml
@@ -1,3 +1,5 @@
+go-version: '1.21'
+
 linters:
   enable:
   - asciicheck
@@ -22,6 +24,7 @@ linters:
   - gci
   - ginkgolinter
   - gocheckcompilerdirectives
+  - gochecksumtype
   - goconst
   - gocritic
   - gocyclo
@@ -66,12 +69,14 @@ linters:
   - reassign
   - rowserrcheck
   - sloglint
+  - spancheck
   - sqlclosecheck
   - staticcheck
   - stylecheck
   - tagalign
   - tagliatelle
   - tenv
+  - testifylint
   - testpackage
   - thelper
   - typecheck
@@ -81,6 +86,7 @@ linters:
   - usestdlibvars
   - wastedassign
   - whitespace
+  - zerologlint
   disable:
   - asasalint
   - cyclop
@@ -110,7 +116,6 @@ linters-settings:
     - prefix(github.com/twpayne/go-vfs)
   gofumpt:
     extra-rules: true
-    go-version: '1.20'
     module-path: github.com/twpayne/go-vfs
   goimports:
     local-prefixes: github.com/twpayne/go-vfs
diff --git a/go.mod b/go.mod
index d61895f..07d056b 100644
--- a/go.mod
+++ b/go.mod
@@ -1,13 +1,13 @@
 module github.com/twpayne/go-vfs/v5
 
-go 1.19
+go 1.21
 
 require (
-	github.com/alecthomas/assert/v2 v2.5.0
-	golang.org/x/sys v0.16.0
+	github.com/alecthomas/assert/v2 v2.6.0
+	golang.org/x/sys v0.17.0
 )
 
 require (
-	github.com/alecthomas/repr v0.3.0 // indirect
+	github.com/alecthomas/repr v0.4.0 // indirect
 	github.com/hexops/gotextdiff v1.0.3 // indirect
 )
diff --git a/go.sum b/go.sum
index b72ce18..54729fc 100644
--- a/go.sum
+++ b/go.sum
@@ -1,8 +1,8 @@
-github.com/alecthomas/assert/v2 v2.5.0 h1:OJKYg53BQx06/bMRBSPDCO49CbCDNiUQXwdoNrt6x5w=
-github.com/alecthomas/assert/v2 v2.5.0/go.mod h1:fw5suVxB+wfYJ3291t0hRTqtGzFYdSwstnRQdaQx2DM=
-github.com/alecthomas/repr v0.3.0 h1:NeYzUPfjjlqHY4KtzgKJiWd6sVq2eNUPTi34PiFGjY8=
-github.com/alecthomas/repr v0.3.0/go.mod h1:Fr0507jx4eOXV7AlPV6AVZLYrLIuIeSOWtW57eE/O/4=
+github.com/alecthomas/assert/v2 v2.6.0 h1:o3WJwILtexrEUk3cUVal3oiQY2tfgr/FHWiz/v2n4FU=
+github.com/alecthomas/assert/v2 v2.6.0/go.mod h1:Bze95FyfUr7x34QZrjL+XP+0qgp/zg8yS+TtBj1WA3k=
+github.com/alecthomas/repr v0.4.0 h1:GhI2A8MACjfegCPVq9f1FLvIBS+DrQ2KQBFZP1iFzXc=
+github.com/alecthomas/repr v0.4.0/go.mod h1:Fr0507jx4eOXV7AlPV6AVZLYrLIuIeSOWtW57eE/O/4=
 github.com/hexops/gotextdiff v1.0.3 h1:gitA9+qJrrTCsiCl7+kh75nPqQt1cx4ZkudSTLoUqJM=
 github.com/hexops/gotextdiff v1.0.3/go.mod h1:pSWU5MAI3yDq+fZBTazCSJysOMbxWL1BSow5/V2vxeg=
-golang.org/x/sys v0.16.0 h1:xWw16ngr6ZMtmxDyKyIgsE93KNKz5HKmMa3b8ALHidU=
-golang.org/x/sys v0.16.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/sys v0.17.0 h1:25cE3gD+tdBA7lp7QfhuV+rJiE9YXTcS3VG1SqssI/Y=
+golang.org/x/sys v0.17.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=