diff --git a/INSTALL b/INSTALL
index 69de090..4dc70a2 100644
--- a/INSTALL
+++ b/INSTALL
@@ -19,9 +19,9 @@ releases (http://github.com/ufal/udpipe/releases) and in the repository itself.
 Requirements
 ============
 
-- G++ 4.7 or newer, clang 3.2 or newer, Visual C++ 2015 or newer
+- g++ 4.7 or newer, clang 3.2 or newer, Visual C++ 2015 or newer
 - make
-- SWIG 2.0.5 or newer for language bindings other than C++
+- SWIG 3.0.8 or newer for language bindings other than C++
 
 
 Compilation
diff --git a/MANUAL b/MANUAL
index 6f6c920..ff3f3f0 100644
--- a/MANUAL
+++ b/MANUAL
@@ -117,9 +117,9 @@ releases (http://github.com/ufal/udpipe/releases) and in the repository itself.
 Requirements
 ------------
 
-- G++ 4.7 or newer, clang 3.2 or newer, Visual C++ 2015 or newer
+- g++ 4.7 or newer, clang 3.2 or newer, Visual C++ 2015 or newer
 - make
-- SWIG 2.0.5 or newer for language bindings other than C++
+- SWIG 3.0.8 or newer for language bindings other than C++
 
 
 Compilation
diff --git a/MANUAL.html b/MANUAL.html
index fb47c31..946c6fd 100644
--- a/MANUAL.html
+++ b/MANUAL.html
@@ -452,11 +452,11 @@ <h1>4. UDPipe Installation</h1>
 <h2>4.1. Requirements</h2>
 
 <ul>
-<li><code>G++ 4.7</code> or newer, <code>clang 3.2</code> or newer, Visual C++ 2015 or newer
+<li><code>g++ 4.7</code> or newer, <code>clang 3.2</code> or newer, Visual C++ 2015 or newer
 </li>
 <li><code>make</code>
 </li>
-<li><code>SWIG 2.0.5</code> or newer for language bindings other than <code>C++</code>
+<li><code>SWIG 3.0.8</code> or newer for language bindings other than <code>C++</code>
 </li>
 </ul>
 
diff --git a/doc/manual_install.t2t b/doc/manual_install.t2t
index d1d903f..a9145c0 100644
--- a/doc/manual_install.t2t
+++ b/doc/manual_install.t2t
@@ -19,9 +19,9 @@ and in the repository itself.
 
 == Requirements ==[requirements]
 
-- ``G++ 4.7`` or newer, ``clang 3.2`` or newer, Visual C++ 2015 or newer
+- ``g++ 4.7`` or newer, ``clang 3.2`` or newer, Visual C++ 2015 or newer
 - ``make``
-- ``SWIG 2.0.5`` or newer for language bindings other than ``C++``
+- ``SWIG 3.0.8`` or newer for language bindings other than ``C++``
 
 
 == Compilation ==[compilation]