diff --git a/.github/workflows/ci-go.yml b/.github/workflows/ci-go.yml
index 89398c5..ad966d8 100644
--- a/.github/workflows/ci-go.yml
+++ b/.github/workflows/ci-go.yml
@@ -40,9 +40,3 @@ jobs:
       - name: check format
         run: go fmt ./... && git add --intent-to-add . && git diff --exit-code
       - run: go vet ./...
-      # Because of default in vscode extension
-      - uses: dominikh/staticcheck-action@v1.3.0
-        with:
-          # Keep after `setup-go`, to use same go version
-          install-go: false
-          version: '2023.1.6' # selfup { "regex": "\\d{4}[^']+", "script": "staticcheck --version | cut -d ' ' -f 2" }
diff --git a/Taskfile.yml b/Taskfile.yml
index 0fe7086..5be11da 100644
--- a/Taskfile.yml
+++ b/Taskfile.yml
@@ -45,7 +45,6 @@ tasks:
       - goreleaser check
       - typos . .github .vscode
       - nixpkgs-fmt --check ./*.nix
-      - staticcheck ./...
   deps:
     cmds:
       - nix --version
@@ -54,4 +53,3 @@ tasks:
       - dprint --version
       - goreleaser --version
       - typos --version
-      - staticcheck --version
diff --git a/flake.nix b/flake.nix
index 213a11c..9fef7db 100644
--- a/flake.nix
+++ b/flake.nix
@@ -25,7 +25,7 @@
               # https://github.com/NixOS/nix/issues/730#issuecomment-162323824
               bashInteractive
 
-              go_1_21
+              go_1_22
               nil
               nixpkgs-fmt
               dprint
@@ -33,17 +33,18 @@
               go-task
               goreleaser
               typos
-              go-tools
             ];
           };
 
-        packages.selfup = pkgs.buildGo121Module {
+        packages.selfup = pkgs.buildGo122Module {
           pname = "selfup";
           version = updaterVersion;
           src = pkgs.lib.cleanSource self;
 
-          # When updating go.mod or go.sum, update this sha together
-          vendorSha256 = "sha256-ot3JjQ49kLVG+l1EyLaxonDfgxTyFTmli3B8YDIjhyY=";
+          # When updating go.mod or go.sum, update this sha together as following
+          # vendorHash = "sha256-AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=";
+          # `pkgs.lib.fakeSha256` returns invalid string in thesedays... :<;
+          vendorHash = "sha256-ot3JjQ49kLVG+l1EyLaxonDfgxTyFTmli3B8YDIjhyY=";
         };
 
         packages.default = packages.selfup;
diff --git a/go.mod b/go.mod
index 5cb15d5..1987243 100644
--- a/go.mod
+++ b/go.mod
@@ -1,8 +1,6 @@
 module github.com/kachick/selfup
 
-go 1.21
-
-toolchain go1.21.1
+go 1.22.0
 
 require (
 	github.com/huandu/xstrings v1.4.0