diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 8b65fb8b8..b8e89fff1 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -43,7 +43,7 @@ jobs:
       - uses: arduino/setup-protoc@c65c819552d16ad3c9b72d9dfd5ba5237b9c906b # v3.0.0
         name: Install protobuf
         with:
-          version: '27.2'
+          version: '28.0'
           repo-token: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Build
diff --git a/.github/workflows/protoc-dependabot-hack.yml b/.github/workflows/protoc-dependabot-hack.yml
index 7fcc9ed52..c2e2a4320 100644
--- a/.github/workflows/protoc-dependabot-hack.yml
+++ b/.github/workflows/protoc-dependabot-hack.yml
@@ -16,4 +16,4 @@ jobs:
 
       # update the version in these places manually when Dependabot proposes a change to it here:
       # 1. the version in main.yml used to install protoc
-      - uses: protocolbuffers/protobuf@v27.3
+      - uses: protocolbuffers/protobuf@v28.0