diff --git a/01-basic/H-third-party-library/CMakeLists.txt b/01-basic/H-third-party-library/CMakeLists.txt
index ef8b31a..7d62740 100644
--- a/01-basic/H-third-party-library/CMakeLists.txt
+++ b/01-basic/H-third-party-library/CMakeLists.txt
@@ -5,7 +5,7 @@ project (third_party_include)
 
 
 # find a boost install with the libraries filesystem and system
-find_package(Boost 1.54.0 REQUIRED COMPONENTS filesystem system)
+find_package(Boost 1.46.1 REQUIRED COMPONENTS filesystem system)
 
 # check if boost was found
 if(Boost_FOUND)
diff --git a/01-basic/H-third-party-library/README.adoc b/01-basic/H-third-party-library/README.adoc
index 7099736..97b4b91 100644
--- a/01-basic/H-third-party-library/README.adoc
+++ b/01-basic/H-third-party-library/README.adoc
@@ -50,7 +50,7 @@ find_package(Boost 1.54.0 REQUIRED COMPONENTS filesystem system)
 The arguments are:
 
   * Boost - Name of the library. This is part of used to find the module file FindBoost.cmake
-  * 1.54.0 - The minimum version of boost to find
+  * 1.46.1 - The minimum version of boost to find
   * REQUIRED - Tells the module that this is required and to fail it it cannot be found
   * COMPONENTS - The list of libraries to find.