diff --git a/docker/ubuntu-dev/Dockerfile b/docker/ubuntu-dev/Dockerfile
index e9113afdf..05e8dfe8f 100644
--- a/docker/ubuntu-dev/Dockerfile
+++ b/docker/ubuntu-dev/Dockerfile
@@ -8,7 +8,7 @@ RUN apt-get update && \
 	# add-apt-repository
 	software-properties-common \
 	curl \
-	gcc \
+	g++ \
 	wget \
 	git \
 	# evmjit dependencies
diff --git a/docker/ubuntu-jit/Dockerfile b/docker/ubuntu-jit/Dockerfile
index c50aa83b5..138882d2b 100644
--- a/docker/ubuntu-jit/Dockerfile
+++ b/docker/ubuntu-jit/Dockerfile
@@ -10,7 +10,7 @@ RUN apt-get update && \
 	curl \
 	wget \
 	git \
-	gcc \
+	g++ \
 	# evmjit dependencies
 	zlib1g-dev \
 	libedit-dev
@@ -39,4 +39,4 @@ ENV RUST_BACKTRACE 1
 # build parity
 RUN git clone https://github.com/ethcore/parity && \
 	cd parity && \
-	cargo install --features ethcore/jit
+	cargo build --release --features ethcore/jit
diff --git a/docker/ubuntu/Dockerfile b/docker/ubuntu/Dockerfile
index 141cbdfb0..38c628d0e 100644
--- a/docker/ubuntu/Dockerfile
+++ b/docker/ubuntu/Dockerfile
@@ -20,4 +20,4 @@ ENV RUST_BACKTRACE 1
 # build parity
 RUN git clone https://github.com/ethcore/parity && \
 	cd parity && \
-	cargo install
+	cargo build --release