diff --git a/Dockerfile b/Dockerfile
index 496a09b..2b1fd48 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -5,10 +5,11 @@ WORKDIR /usr/src/telegram-bot-api
 
 RUN apk add --no-cache --update alpine-sdk linux-headers git zlib-dev openssl-dev gperf cmake
 COPY telegram-bot-api /usr/src/telegram-bot-api
+ARG nproc=1
 RUN mkdir -p build \
  && cd build \
  && cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX:PATH=.. .. \
- && cmake --build . --target install -j $(nproc) \
+ && cmake --build . --target install -j ${nproc} \
  && strip /usr/src/telegram-bot-api/bin/telegram-bot-api
 
 FROM alpine:3.18
diff --git a/Makefile b/Makefile
index 0f98463..afda179 100644
--- a/Makefile
+++ b/Makefile
@@ -5,7 +5,7 @@ image_tag := $(shell date +%Y%m%d)
 build:
 	rm -rf telegram-bot-api
 	git clone --recursive https://github.com/tdlib/telegram-bot-api.git
-	docker build -t $(image_name):$(image_tag) .
+	docker build -t $(image_name):$(image_tag) --build-arg nproc=$(shell nproc) .
 	docker tag $(image_name):$(image_tag) $(image_name):latest
 
 .PHONY: publish