diff --git a/.github/workflows/go.yml b/.github/workflows/go.yml
index 4315b0491..a16895a2b 100644
--- a/.github/workflows/go.yml
+++ b/.github/workflows/go.yml
@@ -16,7 +16,7 @@ jobs:
     - name: Set up Go
       uses: actions/setup-go@v2
       with:
-        go-version: 1.15
+        go-version: 1.18
 
     - name: command
       run: bash ./.gha.script.bash
@@ -59,7 +59,7 @@ jobs:
     - name: Set up Go
       uses: actions/setup-go@v2
       with:
-        go-version: 1.15
+        go-version: 1.18
 
     - name: command
       run: |
diff --git a/.github/workflows/pr.yml b/.github/workflows/pr.yml
index 8fe8d1dbb..8686141aa 100644
--- a/.github/workflows/pr.yml
+++ b/.github/workflows/pr.yml
@@ -14,7 +14,7 @@ jobs:
     - name: Set up Go
       uses: actions/setup-go@v2
       with:
-        go-version: 1.15
+        go-version: 1.18
 
     - name: command
       run: bash ./.gha.script.bash