diff --git a/.github/workflows/build-check.yml b/.github/workflows/build-check.yml
index 69b2dec..91a4c07 100644
--- a/.github/workflows/build-check.yml
+++ b/.github/workflows/build-check.yml
@@ -5,7 +5,7 @@ jobs:
         runs-on: ubuntu-latest
         strategy:
             matrix:
-                node-version: ["18.x"]
+                node-version: ["20.x"]
 
         steps:
             - uses: actions/checkout@v2
diff --git a/Dockerfile b/Dockerfile
index 1df75ea..7f21f5a 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 # specific node version tagged to prevent dockerfile from suddenly breaking (16 was current lts version)
-FROM node:18-slim AS builder
+FROM node:20-slim AS builder
 
 WORKDIR /app
 COPY . /app