diff --git a/.github/workflows/__all-platform-bundle.yml b/.github/workflows/__all-platform-bundle.yml
index 9a1ee56b34..bb0e2d6dca 100644
--- a/.github/workflows/__all-platform-bundle.yml
+++ b/.github/workflows/__all-platform-bundle.yml
@@ -48,7 +48,7 @@ jobs:
       - name: Install Go
         uses: actions/setup-go@v5
         with:
-          go-version: '>=1.21.0'
+          go-version: 1.25.0-rc.1
           cache: false
       - id: init
         uses: ./../action/init
diff --git a/.github/workflows/__analyze-ref-input.yml b/.github/workflows/__analyze-ref-input.yml
index 3a94ed3b2d..28eaf73b8e 100644
--- a/.github/workflows/__analyze-ref-input.yml
+++ b/.github/workflows/__analyze-ref-input.yml
@@ -52,7 +52,7 @@ jobs:
       - name: Install Go
         uses: actions/setup-go@v5
         with:
-          go-version: '>=1.21.0'
+          go-version: 1.25.0-rc.1
           cache: false
       - uses: ./../action/init
         with:
diff --git a/.github/workflows/__build-mode-manual.yml b/.github/workflows/__build-mode-manual.yml
index 953af3a8ea..201a837b5d 100644
--- a/.github/workflows/__build-mode-manual.yml
+++ b/.github/workflows/__build-mode-manual.yml
@@ -48,7 +48,7 @@ jobs:
       - name: Install Go
         uses: actions/setup-go@v5
         with:
-          go-version: '>=1.21.0'
+          go-version: 1.25.0-rc.1
           cache: false
       - uses: ./../action/init
         id: init
diff --git a/.github/workflows/__export-file-baseline-information.yml b/.github/workflows/__export-file-baseline-information.yml
index 31de633f0a..e81931ba50 100644
--- a/.github/workflows/__export-file-baseline-information.yml
+++ b/.github/workflows/__export-file-baseline-information.yml
@@ -52,7 +52,7 @@ jobs:
       - name: Install Go
         uses: actions/setup-go@v5
         with:
-          go-version: '>=1.21.0'
+          go-version: 1.25.0-rc.1
           cache: false
       - uses: ./../action/init
         id: init
diff --git a/.github/workflows/__go-custom-queries.yml b/.github/workflows/__go-custom-queries.yml
index 7a6c551027..030148aac0 100644
--- a/.github/workflows/__go-custom-queries.yml
+++ b/.github/workflows/__go-custom-queries.yml
@@ -50,7 +50,7 @@ jobs:
       - name: Install Go
         uses: actions/setup-go@v5
         with:
-          go-version: '>=1.21.0'
+          go-version: 1.25.0-rc.1
           cache: false
       - uses: ./../action/init
         with:
diff --git a/.github/workflows/__go-indirect-tracing-workaround-diagnostic.yml b/.github/workflows/__go-indirect-tracing-workaround-diagnostic.yml
index 6cf6f6f242..d068ae4672 100644
--- a/.github/workflows/__go-indirect-tracing-workaround-diagnostic.yml
+++ b/.github/workflows/__go-indirect-tracing-workaround-diagnostic.yml
@@ -48,7 +48,7 @@ jobs:
       - name: Install Go
         uses: actions/setup-go@v5
         with:
-          go-version: '>=1.21.0'
+          go-version: 1.25.0-rc.1
           cache: false
       - uses: ./../action/init
         with:
diff --git a/.github/workflows/__go-indirect-tracing-workaround-no-file-program.yml b/.github/workflows/__go-indirect-tracing-workaround-no-file-program.yml
index 3e005174f2..df31055a12 100644
--- a/.github/workflows/__go-indirect-tracing-workaround-no-file-program.yml
+++ b/.github/workflows/__go-indirect-tracing-workaround-no-file-program.yml
@@ -48,7 +48,7 @@ jobs:
       - name: Install Go
         uses: actions/setup-go@v5
         with:
-          go-version: '>=1.21.0'
+          go-version: 1.25.0-rc.1
           cache: false
       - name: Remove `file` program
         run: |
diff --git a/.github/workflows/__go-indirect-tracing-workaround.yml b/.github/workflows/__go-indirect-tracing-workaround.yml
index c47bc56b90..506f6121f7 100644
--- a/.github/workflows/__go-indirect-tracing-workaround.yml
+++ b/.github/workflows/__go-indirect-tracing-workaround.yml
@@ -48,7 +48,7 @@ jobs:
       - name: Install Go
         uses: actions/setup-go@v5
         with:
-          go-version: '>=1.21.0'
+          go-version: 1.25.0-rc.1
           cache: false
       - uses: ./../action/init
         with:
diff --git a/.github/workflows/__go-tracing-autobuilder.yml b/.github/workflows/__go-tracing-autobuilder.yml
index 85a9fae079..a771ea5a65 100644
--- a/.github/workflows/__go-tracing-autobuilder.yml
+++ b/.github/workflows/__go-tracing-autobuilder.yml
@@ -78,7 +78,7 @@ jobs:
       - name: Install Go
         uses: actions/setup-go@v5
         with:
-          go-version: '>=1.21.0'
+          go-version: 1.25.0-rc.1
           cache: false
       - uses: ./../action/init
         with:
diff --git a/.github/workflows/__go-tracing-custom-build-steps.yml b/.github/workflows/__go-tracing-custom-build-steps.yml
index 02f1e1dac9..e1364e9b1c 100644
--- a/.github/workflows/__go-tracing-custom-build-steps.yml
+++ b/.github/workflows/__go-tracing-custom-build-steps.yml
@@ -78,7 +78,7 @@ jobs:
       - name: Install Go
         uses: actions/setup-go@v5
         with:
-          go-version: '>=1.21.0'
+          go-version: 1.25.0-rc.1
           cache: false
       - uses: ./../action/init
         with:
diff --git a/.github/workflows/__go-tracing-legacy-workflow.yml b/.github/workflows/__go-tracing-legacy-workflow.yml
index b6049c158d..091a614091 100644
--- a/.github/workflows/__go-tracing-legacy-workflow.yml
+++ b/.github/workflows/__go-tracing-legacy-workflow.yml
@@ -78,7 +78,7 @@ jobs:
       - name: Install Go
         uses: actions/setup-go@v5
         with:
-          go-version: '>=1.21.0'
+          go-version: 1.25.0-rc.1
           cache: false
       - uses: ./../action/init
         with:
diff --git a/.github/workflows/__multi-language-autodetect.yml b/.github/workflows/__multi-language-autodetect.yml
index 2d8c934173..2f6a1888ed 100644
--- a/.github/workflows/__multi-language-autodetect.yml
+++ b/.github/workflows/__multi-language-autodetect.yml
@@ -78,7 +78,7 @@ jobs:
       - name: Install Go
         uses: actions/setup-go@v5
         with:
-          go-version: '>=1.21.0'
+          go-version: 1.25.0-rc.1
           cache: false
       - uses: ./../action/init
         id: init
diff --git a/.github/workflows/__packaging-codescanning-config-inputs-js.yml b/.github/workflows/__packaging-codescanning-config-inputs-js.yml
index 0106bbdbf4..3a41918948 100644
--- a/.github/workflows/__packaging-codescanning-config-inputs-js.yml
+++ b/.github/workflows/__packaging-codescanning-config-inputs-js.yml
@@ -64,7 +64,7 @@ jobs:
       - name: Install Go
         uses: actions/setup-go@v5
         with:
-          go-version: '>=1.21.0'
+          go-version: 1.25.0-rc.1
           cache: false
       - uses: ./../action/init
         with:
diff --git a/.github/workflows/__packaging-config-inputs-js.yml b/.github/workflows/__packaging-config-inputs-js.yml
index 2488807707..f5bb52324b 100644
--- a/.github/workflows/__packaging-config-inputs-js.yml
+++ b/.github/workflows/__packaging-config-inputs-js.yml
@@ -64,7 +64,7 @@ jobs:
       - name: Install Go
         uses: actions/setup-go@v5
         with:
-          go-version: '>=1.21.0'
+          go-version: 1.25.0-rc.1
           cache: false
       - uses: ./../action/init
         with:
diff --git a/.github/workflows/__packaging-config-js.yml b/.github/workflows/__packaging-config-js.yml
index 620406f77f..6610e86877 100644
--- a/.github/workflows/__packaging-config-js.yml
+++ b/.github/workflows/__packaging-config-js.yml
@@ -64,7 +64,7 @@ jobs:
       - name: Install Go
         uses: actions/setup-go@v5
         with:
-          go-version: '>=1.21.0'
+          go-version: 1.25.0-rc.1
           cache: false
       - uses: ./../action/init
         with:
diff --git a/.github/workflows/__packaging-inputs-js.yml b/.github/workflows/__packaging-inputs-js.yml
index 3c467484d2..bf2c2f7dc1 100644
--- a/.github/workflows/__packaging-inputs-js.yml
+++ b/.github/workflows/__packaging-inputs-js.yml
@@ -64,7 +64,7 @@ jobs:
       - name: Install Go
         uses: actions/setup-go@v5
         with:
-          go-version: '>=1.21.0'
+          go-version: 1.25.0-rc.1
           cache: false
       - uses: ./../action/init
         with:
diff --git a/.github/workflows/__remote-config.yml b/.github/workflows/__remote-config.yml
index 6041b0fb45..70ad5dab69 100644
--- a/.github/workflows/__remote-config.yml
+++ b/.github/workflows/__remote-config.yml
@@ -50,7 +50,7 @@ jobs:
       - name: Install Go
         uses: actions/setup-go@v5
         with:
-          go-version: '>=1.21.0'
+          go-version: 1.25.0-rc.1
           cache: false
       - uses: ./../action/init
         with:
diff --git a/.github/workflows/__split-workflow.yml b/.github/workflows/__split-workflow.yml
index fe7f0dad63..42a7650245 100644
--- a/.github/workflows/__split-workflow.yml
+++ b/.github/workflows/__split-workflow.yml
@@ -58,7 +58,7 @@ jobs:
       - name: Install Go
         uses: actions/setup-go@v5
         with:
-          go-version: '>=1.21.0'
+          go-version: 1.25.0-rc.1
           cache: false
       - uses: ./../action/init
         with:
diff --git a/.github/workflows/__swift-custom-build.yml b/.github/workflows/__swift-custom-build.yml
index b2ee00c490..4372e518a9 100644
--- a/.github/workflows/__swift-custom-build.yml
+++ b/.github/workflows/__swift-custom-build.yml
@@ -52,7 +52,7 @@ jobs:
       - name: Install Go
         uses: actions/setup-go@v5
         with:
-          go-version: '>=1.21.0'
+          go-version: 1.25.0-rc.1
           cache: false
       - uses: ./../action/init
         id: init
diff --git a/.github/workflows/__test-local-codeql.yml b/.github/workflows/__test-local-codeql.yml
index 3f565ca628..943ad7ef96 100644
--- a/.github/workflows/__test-local-codeql.yml
+++ b/.github/workflows/__test-local-codeql.yml
@@ -48,7 +48,7 @@ jobs:
       - name: Install Go
         uses: actions/setup-go@v5
         with:
-          go-version: '>=1.21.0'
+          go-version: 1.25.0-rc.1
           cache: false
       - name: Fetch a CodeQL bundle
         shell: bash
diff --git a/.github/workflows/__unset-environment.yml b/.github/workflows/__unset-environment.yml
index 2464da7aed..3e7ff7d20e 100644
--- a/.github/workflows/__unset-environment.yml
+++ b/.github/workflows/__unset-environment.yml
@@ -50,7 +50,7 @@ jobs:
       - name: Install Go
         uses: actions/setup-go@v5
         with:
-          go-version: '>=1.21.0'
+          go-version: 1.25.0-rc.1
           cache: false
       - uses: ./../action/init
         id: init
diff --git a/.github/workflows/__upload-ref-sha-input.yml b/.github/workflows/__upload-ref-sha-input.yml
index e7ec0542b4..60afa9f47a 100644
--- a/.github/workflows/__upload-ref-sha-input.yml
+++ b/.github/workflows/__upload-ref-sha-input.yml
@@ -52,7 +52,7 @@ jobs:
       - name: Install Go
         uses: actions/setup-go@v5
         with:
-          go-version: '>=1.21.0'
+          go-version: 1.25.0-rc.1
           cache: false
       - uses: ./../action/init
         with:
diff --git a/.github/workflows/__with-checkout-path.yml b/.github/workflows/__with-checkout-path.yml
index 3be22ef2b7..26bc7d80f4 100644
--- a/.github/workflows/__with-checkout-path.yml
+++ b/.github/workflows/__with-checkout-path.yml
@@ -52,7 +52,7 @@ jobs:
       - name: Install Go
         uses: actions/setup-go@v5
         with:
-          go-version: '>=1.21.0'
+          go-version: 1.25.0-rc.1
           cache: false
       - name: Delete original checkout
         shell: bash
diff --git a/pr-checks/sync.py b/pr-checks/sync.py
index c8a2ff196f..0d71f7bba4 100755
--- a/pr-checks/sync.py
+++ b/pr-checks/sync.py
@@ -117,7 +117,7 @@ def writeHeader(checkStream):
             'name': 'Install Go',
             'uses': 'actions/setup-go@v5',
             'with': {
-                'go-version': '>=1.21.0',
+                'go-version': '1.25.0-rc.1',
                 # to avoid potentially misleading autobuilder results where we expect it to download
                 # dependencies successfully, but they actually come from a warm cache
                 'cache': False