diff --git a/README.md b/README.md
index 88a56ff4..e96fba93 100644
--- a/README.md
+++ b/README.md
@@ -12,9 +12,11 @@
 * Boost 1.64
 * Botan 2.1.0
 * Image Magick 7.0.6
+* ccache (unix)
 
 also something about java, but who knows...
 
+
 #### Environment Variables
 
 * CXX_TEST_DIR - .../cxxtest-4.3
@@ -36,6 +38,11 @@ For Windows:
 	- append path to VisualStudio/Common7/Tools
 	- append path to VisualStudio/Common7/IDE
 
+##### ccache
+
+* install ccache
+* if ccache is in path it will be used for recompilation
+
 ##### Clang setup
 
 For Windows: