diff --git a/packages/api/Dockerfile b/packages/api/Dockerfile
index ff72db699..c33bac1a4 100644
--- a/packages/api/Dockerfile
+++ b/packages/api/Dockerfile
@@ -13,11 +13,13 @@ COPY .eslintrc .
 
 COPY /packages/readabilityjs/package.json ./packages/readabilityjs/package.json
 COPY /packages/api/package.json ./packages/api/package.json
+COPY /packages/text-to-speech/package.json ./packages/text-to-speech/package.json
 
 RUN yarn install --pure-lockfile
 
 ADD /packages/readabilityjs ./packages/readabilityjs
 ADD /packages/api ./packages/api
+ADD /packages/text-to-speech ./packages/text-to-speech
 
 RUN yarn
 RUN yarn workspace @omnivore/api build
@@ -41,6 +43,7 @@ COPY --from=builder /app/packages/api/package.json /app/packages/api/package.jso
 COPY --from=builder /app/packages/api/node_modules /app/packages/api/node_modules
 COPY --from=builder /app/node_modules /app/node_modules
 COPY --from=builder /app/package.json /app/package.json
+COPY --from=builder /app/packages/text-to-speech/ /app/packages/text-to-speech/
 EXPOSE 8080
 
 CMD ["yarn", "workspace", "@omnivore/api", "start"]