diff --git a/.github/workflows/checks.yaml b/.github/workflows/checks.yaml
index 35bfb92ab0..9d849f9c43 100644
--- a/.github/workflows/checks.yaml
+++ b/.github/workflows/checks.yaml
@@ -45,7 +45,7 @@ jobs:
         with:
           fetch-depth: 0
           persist-credentials: false
-      - uses: actions/setup-go@d35c59abb061a4a6fb18e82ac0862c26744d6ab5 # v5.5.0
+      - uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c # v6.4.0
         with:
           go-version-file: ${{ matrix.directory }}/go.mod
           check-latest: false
@@ -180,7 +180,7 @@ jobs:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
         with:
           persist-credentials: false
-      - uses: actions/setup-go@d35c59abb061a4a6fb18e82ac0862c26744d6ab5 # v5.5.0
+      - uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c # v6.4.0
         with:
           go-version-file: "service/go.mod"
           check-latest: false
@@ -259,7 +259,7 @@ jobs:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
         with:
           persist-credentials: false
-      - uses: actions/setup-go@d35c59abb061a4a6fb18e82ac0862c26744d6ab5 # v5.5.0
+      - uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c # v6.4.0
         with:
           go-version-file: "service/go.mod"
           check-latest: false
@@ -508,7 +508,7 @@ jobs:
         uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
         with:
           persist-credentials: false
-      - uses: actions/setup-go@d35c59abb061a4a6fb18e82ac0862c26744d6ab5 # v5.5.0
+      - uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c # v6.4.0
         with:
           go-version-file: ./tests-bdd/go.mod
           cache: false
@@ -588,7 +588,7 @@ jobs:
         with:
           input: service
           against: "https://github.com/opentdf/platform.git#branch=${{ github.event.pull_request.base.ref || github.base_ref || 'main' }},subdir=service"
-      - uses: actions/setup-go@d35c59abb061a4a6fb18e82ac0862c26744d6ab5 # v5.5.0
+      - uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c # v6.4.0
         with:
           go-version-file: "service/go.mod"
           check-latest: false
@@ -646,7 +646,7 @@ jobs:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
         with:
           persist-credentials: false
-      - uses: actions/setup-go@d35c59abb061a4a6fb18e82ac0862c26744d6ab5 # v5.5.0
+      - uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c # v6.4.0
         with:
           go-version-file: "service/go.mod"
           check-latest: false
diff --git a/.github/workflows/codeql.yaml b/.github/workflows/codeql.yaml
index 9eafa54c3b..a90ec050bc 100644
--- a/.github/workflows/codeql.yaml
+++ b/.github/workflows/codeql.yaml
@@ -30,7 +30,7 @@ jobs:
           persist-credentials: false
 
       - name: Set up Go
-        uses: actions/setup-go@d35c59abb061a4a6fb18e82ac0862c26744d6ab5 # v5.5.0
+        uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c # v6.4.0
         with:
           go-version-file: go.work
         if: ${{ matrix.language == 'go' }}
diff --git a/.github/workflows/friendly-reminders.yaml b/.github/workflows/friendly-reminders.yaml
index a13b6270bf..702649060c 100644
--- a/.github/workflows/friendly-reminders.yaml
+++ b/.github/workflows/friendly-reminders.yaml
@@ -16,7 +16,7 @@ jobs:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
         with:
           persist-credentials: false
-      - uses: actions/setup-go@d35c59abb061a4a6fb18e82ac0862c26744d6ab5 # v5.5.0
+      - uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c # v6.4.0
         with:
           go-version-file: "service/go.mod"
 
diff --git a/.github/workflows/nightly-checks.yaml b/.github/workflows/nightly-checks.yaml
index 513eb52879..2233170f0b 100644
--- a/.github/workflows/nightly-checks.yaml
+++ b/.github/workflows/nightly-checks.yaml
@@ -21,7 +21,7 @@ jobs:
           fetch-depth: 0
           path: platform
           persist-credentials: false
-      - uses: actions/setup-go@d35c59abb061a4a6fb18e82ac0862c26744d6ab5 # v5.5.0
+      - uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c # v6.4.0
         with:
           go-version-file: "platform/service/go.mod"
           check-latest: false
diff --git a/.github/workflows/sonarcloud.yml b/.github/workflows/sonarcloud.yml
index 94043c16d8..c33e71637f 100644
--- a/.github/workflows/sonarcloud.yml
+++ b/.github/workflows/sonarcloud.yml
@@ -24,7 +24,7 @@ jobs:
           persist-credentials: false
 
       - name: "Setup Go"
-        uses: actions/setup-go@d35c59abb061a4a6fb18e82ac0862c26744d6ab5 # v5.5.0
+        uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c # v6.4.0
         with:
           go-version: "1.25.7"
           check-latest: false