diff --git a/Dockerfile b/Dockerfile
index 8f85044f..d24485cb 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 # Build the manager binary
-FROM --platform=$BUILDPLATFORM golang:1.25.3 AS builder
+FROM --platform=$BUILDPLATFORM golang:1.26.1 AS builder
 
 WORKDIR /workspace
 
@@ -34,13 +34,13 @@ ENV GOCACHE="/build/${TARGETPLATFORM}/root/.cache/go-build"
 
 # Build
 RUN --mount=target=. \
-  --mount=type=cache,mode=0777,target=${GOCACHE} \
-  export GOOS=${TARGETOS} GOARCH=${TARGETARCH} GOARM=${TARGETVARIANT#v} && \
-  go build -trimpath -ldflags="-s -w -X 'github.com/actions/actions-runner-controller/build.Version=${VERSION}' -X 'github.com/actions/actions-runner-controller/build.CommitSHA=${COMMIT_SHA}'" -o /out/manager main.go && \
-  go build -trimpath -ldflags="-s -w -X 'github.com/actions/actions-runner-controller/build.Version=${VERSION}' -X 'github.com/actions/actions-runner-controller/build.CommitSHA=${COMMIT_SHA}'" -o /out/ghalistener ./cmd/ghalistener && \
-  go build -trimpath -ldflags="-s -w" -o /out/github-webhook-server ./cmd/githubwebhookserver && \
-  go build -trimpath -ldflags="-s -w" -o /out/actions-metrics-server ./cmd/actionsmetricsserver && \
-  go build -trimpath -ldflags="-s -w" -o /out/sleep ./cmd/sleep
+    --mount=type=cache,mode=0777,target=${GOCACHE} \
+    export GOOS=${TARGETOS} GOARCH=${TARGETARCH} GOARM=${TARGETVARIANT#v} && \
+    go build -trimpath -ldflags="-s -w -X 'github.com/actions/actions-runner-controller/build.Version=${VERSION}' -X 'github.com/actions/actions-runner-controller/build.CommitSHA=${COMMIT_SHA}'" -o /out/manager main.go && \
+    go build -trimpath -ldflags="-s -w -X 'github.com/actions/actions-runner-controller/build.Version=${VERSION}' -X 'github.com/actions/actions-runner-controller/build.CommitSHA=${COMMIT_SHA}'" -o /out/ghalistener ./cmd/ghalistener && \
+    go build -trimpath -ldflags="-s -w" -o /out/github-webhook-server ./cmd/githubwebhookserver && \
+    go build -trimpath -ldflags="-s -w" -o /out/actions-metrics-server ./cmd/actionsmetricsserver && \
+    go build -trimpath -ldflags="-s -w" -o /out/sleep ./cmd/sleep
 
 # Use distroless as minimal base image to package the manager binary
 # Refer to https://github.com/GoogleContainerTools/distroless for more details
diff --git a/test/e2e/e2e_test.go b/test/e2e/e2e_test.go
index 22736a9b..c6c6d8c3 100644
--- a/test/e2e/e2e_test.go
+++ b/test/e2e/e2e_test.go
@@ -1106,7 +1106,7 @@ func installActionsWorkflow(t *testing.T, testName, runnerLabel, testResultCMNam
 				testing.Step{
 					Uses: "actions/setup-go@v3",
 					With: &testing.With{
-						GoVersion: "1.25.1",
+						GoVersion: "1.26.1",
 					},
 				},
 			)