diff --git a/content/tutorials/manage-the-rippled-server/installation/build-run-rippled-ubuntu.ja.md b/content/tutorials/manage-the-rippled-server/installation/build-run-rippled-ubuntu.ja.md
index 159f77424f..023f7d3ec1 100644
--- a/content/tutorials/manage-the-rippled-server/installation/build-run-rippled-ubuntu.ja.md
+++ b/content/tutorials/manage-the-rippled-server/installation/build-run-rippled-ubuntu.ja.md
@@ -38,14 +38,12 @@ labels:
 
 4. CMakeをインストールします。
 
-   `rippled`のバージョン1.7.0は、CMake 3.9.0以降を必要とします。このチュートリアルでは、執筆時の最新バージョンだったCMake 3.13.3を使用しました。
+   `rippled`のバージョン1.9.0は、CMake 3.16.3以降を必要とします。
 
-   CMake 3.9.0以降をすでにインストールしてある場合には、このステップはスキップできます。
+   CMake 3.16.3をインストールするには、以下を実行します。
 
-   CMake 3.13.3をインストールするには、以下を実行します。
-
-        wget https://github.com/Kitware/CMake/releases/download/v3.13.3/cmake-3.13.3-Linux-x86_64.sh
-        sudo sh cmake-3.13.3-Linux-x86_64.sh --prefix=/usr/local --exclude-subdir
+        wget https://github.com/Kitware/CMake/releases/download/v3.16.3/cmake-3.16.3-Linux-x86_64.sh
+        sudo sh cmake-3.16.3-Linux-x86_64.sh --prefix=/usr/local --exclude-subdir
 
    `cmake --version`を使用し、正常にインストールされたことを確認します。
 
diff --git a/content/tutorials/manage-the-rippled-server/installation/build-run-rippled-ubuntu.md b/content/tutorials/manage-the-rippled-server/installation/build-run-rippled-ubuntu.md
index 79886a058e..07bbc8707f 100644
--- a/content/tutorials/manage-the-rippled-server/installation/build-run-rippled-ubuntu.md
+++ b/content/tutorials/manage-the-rippled-server/installation/build-run-rippled-ubuntu.md
@@ -34,20 +34,17 @@ These instructions use Ubuntu's APT (Advanced Packaging Tool) to install `ripple
 
 4. Install CMake.
 
-    Version 1.8.1 of `rippled` requires CMake 3.9.0 or higher. For the purposes of this tutorial, we used CMake 3.13.3.
+    Version 1.9.0 of `rippled` requires CMake 3.16.3 or higher.
+    To install CMake 3.16.3:
 
-    If you have previously installed CMake 3.9.0 or higher, you can skip these steps.
-
-    To install CMake 3.13.3:
-
-        wget https://github.com/Kitware/CMake/releases/download/v3.13.3/cmake-3.13.3-Linux-x86_64.sh
-        sudo sh cmake-3.13.3-Linux-x86_64.sh --prefix=/usr/local --exclude-subdir
+        wget https://github.com/Kitware/CMake/releases/download/v3.16.3/cmake-3.16.3-Linux-x86_64.sh
+        sudo sh cmake-3.16.3-Linux-x86_64.sh --prefix=/usr/local --exclude-subdir
 
     Use `cmake --version` to verify that the installation worked.
 
 5. Compile Boost.
-
-    Version 1.8.1 of `rippled` requires the Boost library and is compatible with Boost versions 1.70.0 to 1.75.0. The Ubuntu 18.04 (or 20.04) software repositories don't have a compatible Boost version, so you must compile it yourself. The following examples use Boost 1.75.0.
+        #NOTE: DIDN'T WE UPDATE TO 1.71?
+    Version 1.9.0 of `rippled` requires the Boost library and is compatible with Boost versions 1.70.0 to 1.75.0. The Ubuntu 18.04 (or 20.04) software repositories don't have a compatible Boost version, so you must compile it yourself. The following examples use Boost 1.75.0.
 
     If you have previously built Boost 1.75.0 for `rippled` and configured the `BOOST_ROOT` environment variable, you can skip these steps.