diff --git a/.github/workflows/golangci-lint.yml b/.github/workflows/golangci-lint.yml
index 835f698c9..aefc3c3d2 100644
--- a/.github/workflows/golangci-lint.yml
+++ b/.github/workflows/golangci-lint.yml
@@ -23,7 +23,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v7
         with:
-          go-version: "1.27.2"
+          go-version: "1.27.3"
       - name: Install golangci-lint
         run: |
           GOBIN="$(go env GOPATH)/bin" go install github.com/golangci/golangci-lint/v2/cmd/golangci-lint@v2.15.0
diff --git a/.github/workflows/jepsen.yml b/.github/workflows/jepsen.yml
index 4b088e58b..58f2649e3 100644
--- a/.github/workflows/jepsen.yml
+++ b/.github/workflows/jepsen.yml
@@ -33,7 +33,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v7
         with:
-          go-version: "1.27.2"
+          go-version: "1.27.3"
 
       - name: Bring up Jepsen VMs
         working-directory: jepsen
diff --git a/go.mod b/go.mod
index d858a0675..11e8a22a1 100644
--- a/go.mod
+++ b/go.mod
@@ -4,7 +4,7 @@ replace github.com/hanwen/go-fuse/v2 => ./third_party/go-fuse
 
 go 1.26.0
 
-toolchain go1.27.2
+toolchain go1.27.3
 
 require (
 	github.com/Jille/grpc-multi-resolver v1.3.0