diff --git a/.github/workflows/e2e-azure.yaml b/.github/workflows/e2e-azure.yaml
index 0703f03afc..5dfecec845 100644
--- a/.github/workflows/e2e-azure.yaml
+++ b/.github/workflows/e2e-azure.yaml
@@ -34,7 +34,7 @@ jobs:
       - name: Setup Go
         uses: actions/setup-go@0a12ed9d6a96ab950c8f026ed9f722fe0da7ef32 # v5.0.2
         with:
-          go-version: 1.22.x
+          go-version: 1.23.x
           cache-dependency-path: tests/integration/go.sum
       - name: Setup Flux CLI
         run: make build
diff --git a/.github/workflows/e2e-bootstrap.yaml b/.github/workflows/e2e-bootstrap.yaml
index b179d0b419..d8bed3e3b2 100644
--- a/.github/workflows/e2e-bootstrap.yaml
+++ b/.github/workflows/e2e-bootstrap.yaml
@@ -21,7 +21,7 @@ jobs:
       - name: Setup Go
         uses: actions/setup-go@0a12ed9d6a96ab950c8f026ed9f722fe0da7ef32 # v5.0.2
         with:
-          go-version: 1.22.x
+          go-version: 1.23.x
           cache-dependency-path: |
             **/go.sum
             **/go.mod
diff --git a/.github/workflows/e2e-gcp.yaml b/.github/workflows/e2e-gcp.yaml
index da18d4f001..75a17a0f2e 100644
--- a/.github/workflows/e2e-gcp.yaml
+++ b/.github/workflows/e2e-gcp.yaml
@@ -33,7 +33,7 @@ jobs:
       - name: Setup Go
         uses: actions/setup-go@0a12ed9d6a96ab950c8f026ed9f722fe0da7ef32 # v5.0.2
         with:
-          go-version: 1.22.x
+          go-version: 1.23.x
           cache-dependency-path: tests/integration/go.sum
       - name: Setup Flux CLI
         run: make build
diff --git a/.github/workflows/e2e.yaml b/.github/workflows/e2e.yaml
index 41aa6ebdff..864e144b4b 100644
--- a/.github/workflows/e2e.yaml
+++ b/.github/workflows/e2e.yaml
@@ -27,7 +27,7 @@ jobs:
       - name: Setup Go
         uses: actions/setup-go@0a12ed9d6a96ab950c8f026ed9f722fe0da7ef32 # v5.0.2
         with:
-          go-version: 1.22.x
+          go-version: 1.23.x
           cache-dependency-path: |
             **/go.sum
             **/go.mod
diff --git a/.github/workflows/release.yaml b/.github/workflows/release.yaml
index 211a4339d2..9af1055a8c 100644
--- a/.github/workflows/release.yaml
+++ b/.github/workflows/release.yaml
@@ -26,7 +26,7 @@ jobs:
       - name: Setup Go
         uses: actions/setup-go@0a12ed9d6a96ab950c8f026ed9f722fe0da7ef32 # v5.0.2
         with:
-          go-version: 1.22.x
+          go-version: 1.23.x
           cache: false
       - name: Setup QEMU
         uses: docker/setup-qemu-action@49b3bc8e6bdd4a60e6116a5414239cba5943d3cf # v3.2.0
diff --git a/.github/workflows/update.yaml b/.github/workflows/update.yaml
index 311f3dd076..2de27e1134 100644
--- a/.github/workflows/update.yaml
+++ b/.github/workflows/update.yaml
@@ -22,7 +22,7 @@ jobs:
       - name: Setup Go
         uses: actions/setup-go@0a12ed9d6a96ab950c8f026ed9f722fe0da7ef32 # v5.0.2
         with:
-          go-version: 1.22.x
+          go-version: 1.23.x
           cache-dependency-path: |
             **/go.sum
             **/go.mod
diff --git a/Dockerfile b/Dockerfile
index c918f4b064..3cdcc3f45f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,15 +1,15 @@
-FROM alpine:3.19 as builder
+FROM alpine:3.20 as builder
 
 RUN apk add --no-cache ca-certificates curl
 
 ARG ARCH=linux/amd64
-ARG KUBECTL_VER=1.30.0
+ARG KUBECTL_VER=1.31.0
 
 RUN curl -sL https://storage.googleapis.com/kubernetes-release/release/v${KUBECTL_VER}/bin/${ARCH}/kubectl \
     -o /usr/local/bin/kubectl && chmod +x /usr/local/bin/kubectl && \
     kubectl version --client=true
 
-FROM alpine:3.19 as flux-cli
+FROM alpine:3.20 as flux-cli
 
 RUN apk add --no-cache ca-certificates