diff --git a/.travis.yml b/.travis.yml
index 90c112a..af94931 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -18,8 +18,6 @@ matrix:
     env: TARGET=x86_64-unknown-linux-musl
   allow_failures: 
 before_install:
-- sudo apt-get update
-- sudo apt-get install -y pkg-config libssl-dev upx-ucl 
 - export PATH="$PATH:$HOME/.cargo/bin"
 install:
 - bash ci/install.sh
diff --git a/ci/install.sh b/ci/install.sh
index 194474c..a133a73 100755
--- a/ci/install.sh
+++ b/ci/install.sh
@@ -10,6 +10,10 @@ install_c_toolchain() {
             sudo apt-get install -y --no-install-recommends \
                  gcc-aarch64-linux-gnu libc6-arm64-cross libc6-dev-arm64-cross pkg-config libssl-dev
             ;;
+        x86_64-unknown-linux-musl)
+            sudo apt-get update && apt-get install -y --no-install-recommends \
+                 pkg-config libssl-dev
+            ;;
         *)
             # For other targets, this is handled by addons.apt.packages in .travis.yml
             ;;