Update version numbers in installer file names.

PiperOrigin-RevId: 170057335
diff --git a/site/docs/install-ubuntu.md b/site/docs/install-ubuntu.md
index 6ed2272..1ea006b 100644
--- a/site/docs/install-ubuntu.md
+++ b/site/docs/install-ubuntu.md
@@ -77,21 +77,21 @@
 
 Go to Bazel's [GitHub releases page](https://github.com/bazelbuild/bazel/releases).
 
-Download the binary installer `bazel-0.5.2-installer-linux-x86_64.sh`. This
+Download the binary installer `bazel-0.5.4-installer-linux-x86_64.sh`. This
 installer contains the Bazel binary and the required JDK, and can be used even
 if JDK is already installed.
 
-Note that `bazel-0.5.2-without-jdk-installer-linux-x86_64.sh` also exist. It is
-a version without embedded JDK 8. Only use this installer if you already have
-JDK 8 installed.
+Note that `bazel-0.5.4-without-jdk-installer-linux-x86_64.sh` also exists.
+It is a version without embedded JDK 8. Only use this installer if you already
+have JDK 8 installed.
 
 ### 3. Run the installer
 
 Run the installer:
 
 ```bash
-chmod +x bazel-0.5.2-installer-linux-x86_64.sh
-./bazel-0.5.2-installer-linux-x86_64.sh --user
+chmod +x bazel-0.5.4-installer-linux-x86_64.sh
+./bazel-0.5.4-installer-linux-x86_64.sh --user
 ```
 
 The `--user` flag installs Bazel to the `$HOME/bin` directory on your system and