diff --git a/.github/workflows/continuous_integration.yml b/.github/workflows/continuous_integration.yml
index 4ca1ebe5..8545fe58 100644
--- a/.github/workflows/continuous_integration.yml
+++ b/.github/workflows/continuous_integration.yml
@@ -30,6 +30,10 @@ jobs:
         run: yarn install
         working-directory: "messages"
 
+      - name: "Build proto messages"
+        run: yarn run proto
+        working-directory: "messages"
+
       - name: "Build"
         run: yarn run build
         env:
@@ -66,6 +70,10 @@ jobs:
         run: yarn install
         working-directory: "messages"
 
+      - name: "Build proto messages"
+        run: yarn run proto
+        working-directory: "messages"
+
       - name: "Build"
         run: yarn run tsc
         working-directory: "back"
diff --git a/back/Dockerfile b/back/Dockerfile
index ca98a648..80c02529 100644
--- a/back/Dockerfile
+++ b/back/Dockerfile
@@ -3,7 +3,7 @@ FROM thecodingmachine/nodejs:12
 COPY --chown=docker:docker back .
 COPY --chown=docker:docker messages ../messages
 RUN yarn install
-RUN cd /usr/src/messages && yarn install
+RUN cd /usr/src/messages && yarn install && yarn proto
 
 ENV NODE_ENV=production
 
diff --git a/front/Dockerfile b/front/Dockerfile
index a2bc518f..4a6a2e6a 100644
--- a/front/Dockerfile
+++ b/front/Dockerfile
@@ -4,7 +4,7 @@ FROM thecodingmachine/nodejs:14-apache
 COPY --chown=docker:docker front .
 COPY --chown=docker:docker messages /var/www/messages
 RUN yarn install
-RUN cd /var/www/messages && yarn install
+RUN cd /var/www/messages && yarn install && yarn proto
 
 ENV NODE_ENV=production
 ENV STARTUP_COMMAND_1="yarn run build"