diff --git a/.github/workflows/go-cross.yml b/.github/workflows/go-cross.yml
index cd7a79b..da46bb4 100644
--- a/.github/workflows/go-cross.yml
+++ b/.github/workflows/go-cross.yml
@@ -11,7 +11,7 @@ jobs:
 
     strategy:
       matrix:
-        go-version: [ 1.14, 1.15, 1.x ]
+        go-version: [ 1.15, 1.16, 1.x ]
         os: [ubuntu-latest, macos-latest, windows-latest]
 
     steps:
@@ -29,11 +29,16 @@ jobs:
       - name: Cache Go modules
         uses: actions/cache@v2
         with:
+          # In order:
+          # * Module download cache
+          # * Build cache (Linux)
+          # * Build cache (Mac)
+          # * Build cache (Windows)
           path: |
-            ~/go/pkg/mod              # Module download cache
-            ~/.cache/go-build         # Build cache (Linux)
-            ~/Library/Caches/go-build # Build cache (Mac)
-            '%LocalAppData%\go-build' # Build cache (Windows)
+            ~/go/pkg/mod
+            ~/.cache/go-build
+            ~/Library/Caches/go-build
+            %LocalAppData%\go-build
           key: ${{ runner.os }}-${{ matrix.go-version }}-go-${{ hashFiles('**/go.sum') }}
           restore-keys: |
             ${{ runner.os }}-${{ matrix.go-version }}-go-
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 9d8f798..dc5d2ca 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -14,9 +14,9 @@ jobs:
     name: Main Process
     runs-on: ubuntu-latest
     env:
-      GO_VERSION: 1.15
-      GOLANGCI_LINT_VERSION: v1.33.0
-      SEIHON_VERSION: v0.5.1
+      GO_VERSION: 1.16
+      GOLANGCI_LINT_VERSION: v1.41.1
+      SEIHON_VERSION: v0.8.3
       CGO_ENABLED: 0
 
     steps:
@@ -47,7 +47,6 @@ jobs:
           go mod tidy
           git diff --exit-code go.mod
           git diff --exit-code go.sum
-          go mod download
 
       # https://golangci-lint.run/usage/install#other-ci
       - name: Install golangci-lint ${{ env.GOLANGCI_LINT_VERSION }}
diff --git a/.golangci.toml b/.golangci.toml
index 71f8582..3f14232 100644
--- a/.golangci.toml
+++ b/.golangci.toml
@@ -23,7 +23,10 @@
 [linters]
   enable-all = true
   disable = [
-    "maligned",
+    "golint", # deprecated
+    "scopelint", # deprecated
+    "interfacer", # deprecated
+    "maligned", # deprecated
     "lll",
     "gosec",
     "dupl",
@@ -40,6 +43,7 @@
     "wrapcheck",
     "exhaustive",
     "exhaustivestruct",
+    "forbidigo",
   ]
 
 [issues]