diff --git a/src/Dockerfile-poller b/src/Dockerfile-poller
index ff44144e..1145b654 100644
--- a/src/Dockerfile-poller
+++ b/src/Dockerfile-poller
@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-ARG NODE_VERSION=18
+ARG NODE_VERSION=20
 FROM node:${NODE_VERSION}-alpine AS build-env
 
 WORKDIR /usr/src/app
diff --git a/src/Dockerfile-scaler b/src/Dockerfile-scaler
index 5dec3597..a0d8ded4 100644
--- a/src/Dockerfile-scaler
+++ b/src/Dockerfile-scaler
@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-ARG NODE_VERSION=18
+ARG NODE_VERSION=20
 FROM node:${NODE_VERSION}-alpine AS build-env
 
 WORKDIR /usr/src/app
diff --git a/src/Dockerfile-unified b/src/Dockerfile-unified
index 56f88893..6c74b3bc 100644
--- a/src/Dockerfile-unified
+++ b/src/Dockerfile-unified
@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-ARG NODE_VERSION=18
+ARG NODE_VERSION=20
 FROM node:${NODE_VERSION}-alpine AS build-env
 
 WORKDIR /usr/src/app