diff --git a/.github/workflows/release.yaml b/.github/workflows/release.yaml
index 16d1564d..62789c16 100644
--- a/.github/workflows/release.yaml
+++ b/.github/workflows/release.yaml
@@ -8,7 +8,7 @@ jobs:
     uses: suzuki-shunsuke/go-release-workflow/.github/workflows/release.yaml@f7bb0e9db9a7f03b7bca7f897cf6cb7065dff8d2 # v0.4.2
     with:
       homebrew: true
-      go-version: 1.20.1
+      go-version: 1.20.5
       aqua_version: v2.9.0
     secrets:
       gh_app_id: ${{secrets.APP_ID}}
diff --git a/.github/workflows/test-main.yaml b/.github/workflows/test-main.yaml
index 58467c5b..4887a3d7 100644
--- a/.github/workflows/test-main.yaml
+++ b/.github/workflows/test-main.yaml
@@ -16,7 +16,7 @@ jobs:
         uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3
       - uses: actions/setup-go@fac708d6674e30b6ba41289acaab6d4b75aa0753 # v4.0.1
         with:
-          go-version: "1.19.5"
+          go-version: "1.20.5"
           cache: true
       - uses: aquaproj/aqua-installer@36dc5833b04eb63f06e3bb818aa6b7a6e6db99a9 # v2.1.2
         with:
diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
index 7e5783ae..1a9ce2ec 100644
--- a/.github/workflows/test.yaml
+++ b/.github/workflows/test.yaml
@@ -10,7 +10,7 @@ jobs:
     uses: suzuki-shunsuke/go-test-full-workflow/.github/workflows/test.yaml@363126b27a86b64fc8e7fe88dbc90e254060cce2 # v0.2.2
     with:
       aqua_version: v2.9.0
-      go-version: 1.20.1
+      go-version: 1.20.5
     secrets:
       gh_app_id: ${{secrets.APP_ID}}
       gh_app_private_key: ${{secrets.APP_PRIVATE_KEY}}