diff --git a/.github/workflows/build-ubuntu.yml b/.github/workflows/build-ubuntu.yml
index c87ff15..996cb01 100644
--- a/.github/workflows/build-ubuntu.yml
+++ b/.github/workflows/build-ubuntu.yml
@@ -20,7 +20,7 @@ env:
   IMAGE_LABEL_REPO: ${{ github.repository }}
   SLUG: ${{ github.repository_owner }}/ubuntu
   DISTRO: ubuntu
-  NODE: '16'
+  NODE: '16 18'
   BUILD_REF: ${{ github.sha }}
   SKIP_TEST: false
 
@@ -141,7 +141,7 @@ jobs:
               )
 
       - if: ${{ !env.SKIP_TEST }}
-        uses: actions/setup-go@v3
+        uses: actions/setup-go@v4
         with:
           go-version: '^1.16'
 
diff --git a/README.md b/README.md
index e115656..380e245 100644
--- a/README.md
+++ b/README.md
@@ -28,7 +28,7 @@
   - `ghcr.io/catthehacker/ubuntu:runner-20.04`
   - `ghcr.io/catthehacker/ubuntu:runner-22.04`
   - `ghcr.io/catthehacker/ubuntu:runner-latest`
-- [`/linux/ubuntu/js`](./linux/ubuntu/scripts/js.sh) - `ghcr.io/catthehacker/ubuntu:act-*` but with `js` tools installed (`yarn`, `nvm`, `node` v10/v12, `pnpm`, `grunt`, etc.)
+- [`/linux/ubuntu/js`](./linux/ubuntu/scripts/js.sh) - `ghcr.io/catthehacker/ubuntu:act-*` but with `js` tools installed (`yarn`, `nvm`, `node` v16/v18, `pnpm`, `grunt`, etc.)
   - `ghcr.io/catthehacker/ubuntu:js-20.04`
   - `ghcr.io/catthehacker/ubuntu:js-22.04`
   - `ghcr.io/catthehacker/ubuntu:js-latest`
diff --git a/linux/ubuntu/Dockerfile b/linux/ubuntu/Dockerfile
index af785ed..e927cfe 100644
--- a/linux/ubuntu/Dockerfile
+++ b/linux/ubuntu/Dockerfile
@@ -10,7 +10,8 @@ ARG FROM_IMAGE
 ARG FROM_TAG
 
 # > Our custom ARGs
-ARG NODE_VERSION="12 16"
+# latest Node.js LTS versions
+ARG NODE_VERSION="16 18"
 ARG DISTRO=ubuntu
 ARG TYPE=act
 ARG RUNNER
diff --git a/linux/ubuntu/scripts/act.sh b/linux/ubuntu/scripts/act.sh
index 894ce1b..4bbe0a3 100755
--- a/linux/ubuntu/scripts/act.sh
+++ b/linux/ubuntu/scripts/act.sh
@@ -121,7 +121,7 @@ for ver in "${NODE[@]}"; do
   wget "https://nodejs.org/download/release/latest-v${ver}.x/node-$VER-linux-$(node_arch).tar.xz" -O "node-$VER-linux-$(node_arch).tar.xz"
   tar -Jxf "node-$VER-linux-$(node_arch).tar.xz" --strip-components=1 -C "$NODEPATH"
   rm "node-$VER-linux-$(node_arch).tar.xz"
-  if [[ "${ver}" == "16" ]]; then
+  if [[ "${ver}" == "18" ]]; then  # make this version the default (latest LTS)
     sed "s|^PATH=|PATH=$NODEPATH/bin:|mg" -i /etc/environment
   fi
   export PATH="$NODEPATH/bin:$PATH"
diff --git a/linux/ubuntu/scripts/helpers/etc-environment.sh b/linux/ubuntu/scripts/helpers/etc-environment.sh
index 04daa5d..701cc8f 100755
--- a/linux/ubuntu/scripts/helpers/etc-environment.sh
+++ b/linux/ubuntu/scripts/helpers/etc-environment.sh
@@ -25,7 +25,7 @@ function replaceEtcEnvironmentVariable {
     variable_name="$1"
     variable_value="$2"
 
-    # modify /etc/environemnt in place by replacing a string that begins with variable_name
+    # modify /etc/environment in place by replacing a string that begins with variable_name
     # removed quotes for the docker env metadata reader
     sudo sed -i -e "s%^${variable_name}=.*$%${variable_name}=${variable_value}%" /etc/environment
 }
@@ -74,10 +74,10 @@ function appendEtcEnvironmentPath {
 #    /etc/environment
 #
 # TODO: there might be the others variables to be processed in the same way as "PATH" variable
-#       ie MANPATH, INFOPATH, LD_*, etc. In the current implementation the values from /etc/evironments
+#       ie MANPATH, INFOPATH, LD_*, etc. In the current implementation the values from /etc/environment
 #       replace the values of the current environment
 function  reloadEtcEnvironment {
-    # add `export ` to every variable of /etc/environemnt except PATH and eval the result shell script
+    # add `export ` to every variable of /etc/environment except PATH and eval the result shell script
     eval "$(grep -v '^PATH=' /etc/environment | sed -e 's%^%export %')"
     # handle PATH specially
     etc_path=$(getEtcEnvironmentVariable PATH)
diff --git a/linux/ubuntu/scripts/js.sh b/linux/ubuntu/scripts/js.sh
index 7e8ebcb..5cf72b1 100755
--- a/linux/ubuntu/scripts/js.sh
+++ b/linux/ubuntu/scripts/js.sh
@@ -20,8 +20,8 @@ echo '[ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh"  # This loads nvm' | tee
 printf "\n\t🐋 Installed NVM 🐋\t\n"
 nvm --version
 
-# node 12 and 16 are installed already in act-*
-versions=("14")
+# node 16 and 18 are already installed in act-*
+versions=("20")
 JSON=$(wget -qO- https://nodejs.org/download/release/index.json | jq --compact-output)
 
 for V in "${versions[@]}"; do