diff --git a/.github/actions/setup-environment/action.yml b/.github/actions/setup-environment/action.yml
index 30177e9f4..0f0dfd0f5 100644
--- a/.github/actions/setup-environment/action.yml
+++ b/.github/actions/setup-environment/action.yml
@@ -21,7 +21,7 @@ runs:
     - name: Setup go
       uses: actions/setup-go@v3
       with:
-        go-version: '1.18'
+        go-version: '1.20'
     - name: Check
       run: |
         for addr in $(ip addr list|sed -En -e 's/.*inet ([0-9.]+).*/\1/p')
diff --git a/.github/workflows/eden_gcp.yml b/.github/workflows/eden_gcp.yml
index 2ae9446c6..a169b984a 100644
--- a/.github/workflows/eden_gcp.yml
+++ b/.github/workflows/eden_gcp.yml
@@ -34,7 +34,7 @@ jobs:
       - name: setup go
         uses: actions/setup-go@v3
         with:
-          go-version: '1.18'
+          go-version: '1.20'
       - name: Check
         run: |
           for addr in $(ip addr list|sed -En -e 's/.*inet ([0-9.]+).*/\1/p')
diff --git a/.github/workflows/eden_setup.yml b/.github/workflows/eden_setup.yml
index cf9043d6e..0e47525a2 100644
--- a/.github/workflows/eden_setup.yml
+++ b/.github/workflows/eden_setup.yml
@@ -24,7 +24,7 @@ jobs:
       - name: setup go
         uses: actions/setup-go@v3
         with:
-          go-version: '1.18'
+          go-version: '1.20'
       - name: build docker images
         run: |
           make LINUXKIT_TARGET=build DOCKER_PLATFORM=linux/arm64 build-docker
@@ -48,7 +48,7 @@ jobs:
       - name: setup go
         uses: actions/setup-go@v3
         with:
-          go-version: '1.18'
+          go-version: '1.20'
       - name: build eden
         run: |
           make clean
diff --git a/.github/workflows/unit.yml b/.github/workflows/unit.yml
index d7e206bfe..bee035551 100644
--- a/.github/workflows/unit.yml
+++ b/.github/workflows/unit.yml
@@ -13,7 +13,7 @@ jobs:
       - name: setup go
         uses: actions/setup-go@v3
         with:
-          go-version: '1.18'
+          go-version: '1.20'
       - name: run tests
         run: go test -json $(go list ./... | grep -v /eden/tests/) > test.json
       - name: Annotate tests
diff --git a/Dockerfile b/Dockerfile
index 1b696a15d..77571d29f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM lfedge/eve-alpine:8.12.0 as build
+FROM lfedge/eve-alpine:12.1.0 as build
 ENV BUILD_PKGS go make qemu-img git
 RUN eve-alpine-deploy.sh
 
diff --git a/eserver/Dockerfile b/eserver/Dockerfile
index 9aad6067b..772b2c6f7 100644
--- a/eserver/Dockerfile
+++ b/eserver/Dockerfile
@@ -1,4 +1,4 @@
-FROM lfedge/eve-alpine:8.12.0 AS build
+FROM lfedge/eve-alpine:12.1.0 AS build
 ENV BUILD_PKGS go git openssh-keygen
 RUN eve-alpine-deploy.sh
 
diff --git a/processing/Dockerfile b/processing/Dockerfile
index c3f176bbd..0ae7ec486 100644
--- a/processing/Dockerfile
+++ b/processing/Dockerfile
@@ -1,4 +1,4 @@
-FROM lfedge/eve-alpine:8.12.0 as build
+FROM lfedge/eve-alpine:12.1.0 as build
 ENV BUILD_PKGS git
 ENV PKGS perl gawk git
 RUN eve-alpine-deploy.sh
diff --git a/sdn/vm/Dockerfile b/sdn/vm/Dockerfile
index f6597a317..82831ad16 100644
--- a/sdn/vm/Dockerfile
+++ b/sdn/vm/Dockerfile
@@ -1,4 +1,4 @@
-FROM lfedge/eve-alpine:8.12.0 as build
+FROM lfedge/eve-alpine:12.1.0 as build
 
 ENV BUILD_PKGS git gcc go make wget libc-dev linux-headers
 ENV PKGS bash iptables ip6tables iproute2 dhcpcd ipset curl radvd ethtool jq tcpdump \
diff --git a/sdn/vm/api/endpoints.go b/sdn/vm/api/endpoints.go
index 39e483da5..354679840 100644
--- a/sdn/vm/api/endpoints.go
+++ b/sdn/vm/api/endpoints.go
@@ -365,12 +365,13 @@ func (e TransparentProxy) ReferencesFromItem() []LogicalLabelRef {
 // iPXE-enabled client).
 //
 // Example config for dnsmasq:
-//   # Boot for iPXE. The idea is to send two different
-//   # filenames, the first loads iPXE, and the second tells iPXE what to
-//   # load. The dhcp-match sets the ipxe tag for requests from iPXE.
-//   #dhcp-boot=undionly.kpxe
-//   #dhcp-match=set:ipxe,175 # iPXE sends a 175 option.
-//   #dhcp-boot=tag:ipxe,http://boot.ipxe.org/demo/boot.php
+//
+//	# Boot for iPXE. The idea is to send two different
+//	# filenames, the first loads iPXE, and the second tells iPXE what to
+//	# load. The dhcp-match sets the ipxe tag for requests from iPXE.
+//	#dhcp-boot=undionly.kpxe
+//	#dhcp-match=set:ipxe,175 # iPXE sends a 175 option.
+//	#dhcp-boot=tag:ipxe,http://boot.ipxe.org/demo/boot.php
 //
 // [1] https://ipxe.org/howto/chainloading
 type NetbootServer struct {