Fix ninja dep name
diff --git a/.travis.yml b/.travis.yml
index 23cb49b..b90802b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -11,7 +11,7 @@
         packages:
           - nasm
           - meson
-          - ninja
+          - ninja-build
     before_script:
       - curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh
       - cd ext
@@ -32,7 +32,7 @@
         packages:
           - nasm
           - meson
-          - ninja
+          - ninja-build
     before_script:
       - curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh
       - cd ext
@@ -53,7 +53,7 @@
         packages:
           - nasm
           - meson
-          - ninja
+          - ninja-build
     before_script:
       - curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh
       - cd ext
@@ -74,7 +74,7 @@
         packages:
           - nasm
           - meson
-          - ninja
+          - ninja-build
     before_script:
       - curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh
       - cd ext