diff --git a/docs/en/INSTALL.txt b/docs/en/INSTALL.txt
index 4146acc02..3240a3dc9 100644
--- a/docs/en/INSTALL.txt
+++ b/docs/en/INSTALL.txt
@@ -637,11 +637,11 @@ Compiling and Installation
            installed to /opt/local (same as MacPorts) for the library to be
            included in TuxPaint.dmg.
 
+             $ sudo port install rust cargo
              $ git clone https://github.com/ImageOptim/libimagequant.git
-             $ cd libimagequant
-             $ ./configure --prefix=/opt/local
-             $ make
-             $ sudo make install
+             $ cd libimagequant/imagequant-sys
+             $ cargo build --release
+             $ sudo make PREFIX=/opt/local install
 
          WARNING: Having any UNIX-like toolset installed on your Mac besides
          MacPorts and Xcode, such as Fink or Brew, will prevent your app
diff --git a/docs/en/html/INSTALL.html b/docs/en/html/INSTALL.html
index debd9a4ac..833498ae4 100644
--- a/docs/en/html/INSTALL.html
+++ b/docs/en/html/INSTALL.html
@@ -797,11 +797,11 @@
             <p>
               <code>libimagequant</code> is not available from MacPorts as of this writing. It can be installed from the source code as follows. It should be installed to <code>/opt/local</code> (same as MacPorts) for the library to be included in <code>TuxPaint.dmg</code>.              <blockquote>
                 <code>
+                  $ sudo port install rust cargo<br/>
                   $ git clone https://github.com/ImageOptim/libimagequant.git<br/>
-                  $ cd libimagequant<br/>
-                  $ ./configure --prefix=/opt/local<br/>
-                  $ make<br/>
-                  $ sudo make install
+                  $ cd libimagequant/imagequant-sys<br/>
+                  $ cargo build --release<br/>
+                  $ sudo make PREFIX=/opt/local install
                 </code>
               </blockquote>
             </p>
diff --git a/docs/es_ES.UTF-8/INSTALL.txt b/docs/es_ES.UTF-8/INSTALL.txt
index 8138b9627..16b5d35a1 100644
--- a/docs/es_ES.UTF-8/INSTALL.txt
+++ b/docs/es_ES.UTF-8/INSTALL.txt
@@ -637,11 +637,11 @@ Compiling and Installation
            installed to /opt/local (same as MacPorts) for the library to be
            included in TuxPaint.dmg.
 
+             $ sudo port install rust cargo
              $ git clone https://github.com/ImageOptim/libimagequant.git
-             $ cd libimagequant
-             $ ./configure --prefix=/opt/local
-             $ make
-             $ sudo make install
+             $ cd libimagequant/imagequant-sys
+             $ cargo build --release
+             $ sudo make PREFIX=/opt/local install
 
          WARNING: Having any UNIX-like toolset installed on your Mac besides
          MacPorts and Xcode, such as Fink or Brew, will prevent your app
diff --git a/docs/es_ES.UTF-8/html/INSTALL.html b/docs/es_ES.UTF-8/html/INSTALL.html
index 2ee2c1b8c..b23b5a0da 100644
--- a/docs/es_ES.UTF-8/html/INSTALL.html
+++ b/docs/es_ES.UTF-8/html/INSTALL.html
@@ -797,11 +797,11 @@
             <p>
               <code>libimagequant</code> is not available from MacPorts as of this writing. It can be installed from the source code as follows. It should be installed to <code>/opt/local</code> (same as MacPorts) for the library to be included in <code>TuxPaint.dmg</code>.              <blockquote>
                 <code>
+                  $ sudo port install rust cargo<br/>
                   $ git clone https://github.com/ImageOptim/libimagequant.git<br/>
-                  $ cd libimagequant<br/>
-                  $ ./configure --prefix=/opt/local<br/>
-                  $ make<br/>
-                  $ sudo make install
+                  $ cd libimagequant/imagequant-sys<br/>
+                  $ cargo build --release<br/>
+                  $ sudo make PREFIX=/opt/local install
                 </code>
               </blockquote>
             </p>
diff --git a/docs/fr_FR.UTF-8/INSTALL.txt b/docs/fr_FR.UTF-8/INSTALL.txt
index f08ee4acc..c327a5516 100644
--- a/docs/fr_FR.UTF-8/INSTALL.txt
+++ b/docs/fr_FR.UTF-8/INSTALL.txt
@@ -666,11 +666,11 @@ Compilation et installation
            peut être installé sur /opt/local (comme pour MacPorts) pour la
            bibliothèque devant être incluse dans TuxPaint.dmg.
 
+             $ sudo port install rust cargo
              $ git clone https://github.com/ImageOptim/libimagequant.git
-             $ cd libimagequant
-             $ ./configure --prefix=/opt/local
-             $ make
-             $ sudo make install
+             $ cd libimagequant/imagequant-sys
+             $ cargo build --release
+             $ sudo make PREFIX=/opt/local install
 
          ATTENTION :Posséder des outils Unix à côté de MacPorts et Xcode,
          tels que Fink ou Brew, vous empêchera de créer un programme
diff --git a/docs/fr_FR.UTF-8/html/INSTALL.html b/docs/fr_FR.UTF-8/html/INSTALL.html
index d5aa410a1..773fef6d5 100644
--- a/docs/fr_FR.UTF-8/html/INSTALL.html
+++ b/docs/fr_FR.UTF-8/html/INSTALL.html
@@ -797,11 +797,11 @@
             <p>
               <code>libimagequant</code> n'est pas disponible sur MacPorts à cette heure. Il peut être installé sur <code>/opt/local</code> (comme pour MacPorts) pour la bibliothèque devant être incluse dans <code>TuxPaint.dmg</code>.              <blockquote>
                 <code>
+                  $ sudo port install rust cargo<br/>
                   $ git clone https://github.com/ImageOptim/libimagequant.git<br/>
-                  $ cd libimagequant<br/>
-                  $ ./configure --prefix=/opt/local<br/>
-                  $ make<br/>
-                  $ sudo make install
+                  $ cd libimagequant/imagequant-sys<br/>
+                  $ cargo build --release<br/>
+                  $ sudo make PREFIX=/opt/local install
                 </code>
               </blockquote>
             </p>
diff --git a/docs/gl_ES.UTF-8/INSTALL.txt b/docs/gl_ES.UTF-8/INSTALL.txt
index c07e7cbb0..51cd68597 100644
--- a/docs/gl_ES.UTF-8/INSTALL.txt
+++ b/docs/gl_ES.UTF-8/INSTALL.txt
@@ -647,11 +647,11 @@ Compiling and Installation
            installed to /opt/local (same as MacPorts) for the library to be
            included in TuxPaint.dmg.
 
+             $ sudo port install rust cargo
              $ git clone https://github.com/ImageOptim/libimagequant.git
-             $ cd libimagequant
-             $ ./configure --prefix=/opt/local
-             $ make
-             $ sudo make install
+             $ cd libimagequant/imagequant-sys
+             $ cargo build --release
+             $ sudo make PREFIX=/opt/local install
 
          WARNING: Having any UNIX-like toolset installed on your Mac besides
          MacPorts and Xcode, such as Fink or Brew, will prevent your app
diff --git a/docs/gl_ES.UTF-8/html/INSTALL.html b/docs/gl_ES.UTF-8/html/INSTALL.html
index b10005eba..2051062c4 100644
--- a/docs/gl_ES.UTF-8/html/INSTALL.html
+++ b/docs/gl_ES.UTF-8/html/INSTALL.html
@@ -797,11 +797,11 @@
             <p>
               <code>libimagequant</code> is not available from MacPorts as of this writing. It can be installed from the source code as follows. It should be installed to <code>/opt/local</code> (same as MacPorts) for the library to be included in <code>TuxPaint.dmg</code>.              <blockquote>
                 <code>
+                  $ sudo port install rust cargo<br/>
                   $ git clone https://github.com/ImageOptim/libimagequant.git<br/>
-                  $ cd libimagequant<br/>
-                  $ ./configure --prefix=/opt/local<br/>
-                  $ make<br/>
-                  $ sudo make install
+                  $ cd libimagequant/imagequant-sys<br/>
+                  $ cargo build --release<br/>
+                  $ sudo make PREFIX=/opt/local install
                 </code>
               </blockquote>
             </p>
diff --git a/docs/ja_JP.UTF-8/INSTALL.txt b/docs/ja_JP.UTF-8/INSTALL.txt
index b11e043d0..7ba1e3e32 100644
--- a/docs/ja_JP.UTF-8/INSTALL.txt
+++ b/docs/ja_JP.UTF-8/INSTALL.txt
@@ -637,11 +637,11 @@ Compiling and Installation
            installed to /opt/local (same as MacPorts) for the library to be
            included in TuxPaint.dmg.
 
+             $ sudo port install rust cargo
              $ git clone https://github.com/ImageOptim/libimagequant.git
-             $ cd libimagequant
-             $ ./configure --prefix=/opt/local
-             $ make
-             $ sudo make install
+             $ cd libimagequant/imagequant-sys
+             $ cargo build --release
+             $ sudo make PREFIX=/opt/local install
 
          WARNING: Having any UNIX-like toolset installed on your Mac besides
          MacPorts and Xcode, such as Fink or Brew, will prevent your app
diff --git a/docs/ja_JP.UTF-8/html/INSTALL.html b/docs/ja_JP.UTF-8/html/INSTALL.html
index e40dc559a..d6c2fa2c6 100644
--- a/docs/ja_JP.UTF-8/html/INSTALL.html
+++ b/docs/ja_JP.UTF-8/html/INSTALL.html
@@ -797,11 +797,11 @@
             <p>
               <code>libimagequant</code> is not available from MacPorts as of this writing. It can be installed from the source code as follows. It should be installed to <code>/opt/local</code> (same as MacPorts) for the library to be included in <code>TuxPaint.dmg</code>.              <blockquote>
                 <code>
+                  $ sudo port install rust cargo<br/>
                   $ git clone https://github.com/ImageOptim/libimagequant.git<br/>
-                  $ cd libimagequant<br/>
-                  $ ./configure --prefix=/opt/local<br/>
-                  $ make<br/>
-                  $ sudo make install
+                  $ cd libimagequant/imagequant-sys<br/>
+                  $ cargo build --release<br/>
+                  $ sudo make PREFIX=/opt/local install
                 </code>
               </blockquote>
             </p>