diff --git a/Dockerfile.grp b/Dockerfile.grp
index d03b1935..1864ffa2 100644
--- a/Dockerfile.grp
+++ b/Dockerfile.grp
@@ -1,5 +1,5 @@
 # compile typescript to ./dist
-FROM node:14-alpine AS tsc
+FROM node:16-alpine AS tsc
 WORKDIR /app
 COPY ["package*.json", "tsconfig.json", "yarn.lock", "./"]
 RUN yarn install
@@ -7,7 +7,7 @@ COPY . ./
 RUN yarn build:grp
 
 # install production only dependencies
-FROM node:14-alpine as yarn-prod
+FROM node:16-alpine as yarn-prod
 WORKDIR /app
 COPY --from=tsc /app/package*.json ./
 COPY --from=tsc /app/yarn.lock ./
@@ -17,7 +17,7 @@ RUN yarn install --production
 RUN ./node_modules/.bin/patch-package
 
 # copy only production artifacts (get rid of yarn cache)
-FROM node:14-alpine as image
+FROM node:16-alpine as image
 WORKDIR /app
 COPY --from=yarn-prod /app ./
 CMD ["yarn", "gas-refund:prod:compute-gas-refund-save-db"]