diff --git a/.travis.yml b/.travis.yml
index caf9d7d..e3a68d0 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -12,12 +12,6 @@ matrix:
 services:
   - docker
 
-before_script:
-- git clone https://github.com/naelstrof/slop.git
-- cd slop
-- cmake -DCMAKE_INSTALL_PREFIX="/usr" ./
-- make && sudo make install
-
 script:
   - if [ -z "$TRAVIS_TAG" ]; then cargo test --all; fi
 
diff --git a/Cargo.toml b/Cargo.toml
index 1f3344d..d3cdefa 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "screenshot"
-version = "0.2.0"
+version = "0.2.1"
 authors = ["Michael Zhang <failed.down@gmail.com>"]
 build = "src/build.rs"
 
diff --git a/Dockerfile b/Dockerfile
index 887d4e1..1cbff10 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -8,6 +8,9 @@ RUN sudo apt-get update -y && sudo apt-get install -y \
     libglm-dev \
     libgtk-3-dev
 
+RUN git clone https://github.com/naelstrof/slop.git
+RUN (cd slop; cmake -DCMAKE_INSTALL_PREFIX="/usr" ./ && make && sudo make install)
+
 COPY . ./
 RUN sudo chown -R rust:rust .