diff --git a/.github/workflows/update-list.yaml b/.github/workflows/update-list.yaml
index b6b0c840..7fed8840 100644
--- a/.github/workflows/update-list.yaml
+++ b/.github/workflows/update-list.yaml
@@ -12,7 +12,7 @@ jobs:
       - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
       - uses: actions/setup-go@93397bea11091df50f3d7e59dc26a7711a8bcfbe # v4.1.0
         with:
-          go-version: 1.21.4
+          go-version: 1.21.5
 
       - id: generate_token
         uses: tibdex/github-app-token@3beb63f4bd073e61482598c45c71c1019b59b73a # v2.1.0
diff --git a/.github/workflows/wc-go-mod-tidy.yaml b/.github/workflows/wc-go-mod-tidy.yaml
index fa8eb2fc..e387061a 100644
--- a/.github/workflows/wc-go-mod-tidy.yaml
+++ b/.github/workflows/wc-go-mod-tidy.yaml
@@ -11,7 +11,7 @@ jobs:
   go-mod-tidy:
     uses: suzuki-shunsuke/go-mod-tidy-workflow/.github/workflows/go-mod-tidy.yaml@8facac38f5b2008648c14e31c632c3a709439b9c # v0.1.1
     with:
-      go-version: 1.21.4
+      go-version: 1.21.5
       aqua_version: v2.21.3
     secrets:
       gh_app_id: ${{secrets.gh_app_id}}
diff --git a/.github/workflows/wc-test.yaml b/.github/workflows/wc-test.yaml
index 9b2c41b2..5c82be84 100644
--- a/.github/workflows/wc-test.yaml
+++ b/.github/workflows/wc-test.yaml
@@ -11,7 +11,7 @@ jobs:
         uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
       - uses: actions/setup-go@93397bea11091df50f3d7e59dc26a7711a8bcfbe # v4.1.0
         with:
-          go-version: 1.21.4
+          go-version: 1.21.5
           cache: true
       - uses: aquaproj/aqua-installer@928a2ee4243a9ee8312d80dc8cbaca88fb602a91 # v2.2.0
         with: