diff --git a/CMakeLists.txt b/CMakeLists.txt
index 0221d6a4..8e352ae0 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -21,7 +21,7 @@ endif()
 
 set(cryptopp_VERSION_MAJOR 5)
 set(cryptopp_VERSION_MINOR 6)
-set(cryptopp_VERSION_PATCH 5)
+set(cryptopp_VERSION_PATCH 6)
 
 include(GNUInstallDirs)
 include(TestBigEndian)
diff --git a/Doxyfile b/Doxyfile
index 97f728ce..123a92c3 100644
--- a/Doxyfile
+++ b/Doxyfile
@@ -41,7 +41,7 @@ PROJECT_NAME           = Crypto++
 # could be handy for archiving the generated documentation or if some version
 # control system is used.
 
-PROJECT_NUMBER         = 5.6.5
+PROJECT_NUMBER         = 5.6.6
 
 # Using the PROJECT_BRIEF tag one can provide an optional one line description
 # for a project that appears at the top of each page and should give viewer a
diff --git a/config.compat b/config.compat
index a75a1d5f..1dd60917 100644
--- a/config.compat
+++ b/config.compat
@@ -63,7 +63,7 @@
 // ***************** Less Important Settings ***************
 
 // Library version
-#define CRYPTOPP_VERSION 565
+#define CRYPTOPP_VERSION 566
 
 // Define this if you want to set a prefix for TestData/ and TestVectors/
 //   Be mindful of the trailing slash since its simple concatenation.
diff --git a/config.h b/config.h
index f785e6de..85a8a878 100644
--- a/config.h
+++ b/config.h
@@ -63,7 +63,7 @@
 // ***************** Less Important Settings ***************
 
 // Library version
-#define CRYPTOPP_VERSION 565
+#define CRYPTOPP_VERSION 566
 
 // Define this if you want to set a prefix for TestData/ and TestVectors/
 //   Be mindful of the trailing slash since its simple concatenation.
diff --git a/cryptlib.h b/cryptlib.h
index c1619e65..821a5ced 100644
--- a/cryptlib.h
+++ b/cryptlib.h
@@ -3,7 +3,7 @@
 //! \file cryptlib.h
 //! \brief Abstract base classes that provide a uniform interface to this library.
 
-/*!	\mainpage Crypto++ Library 5.6.5 API Reference
+/*!	\mainpage Crypto++ Library 5.6.6 API Reference
 <dl>
 <dt>Abstract Base Classes<dd>
 	cryptlib.h
diff --git a/cryptopp.rc b/cryptopp.rc
index bbf16356..ab3bf225 100644
--- a/cryptopp.rc
+++ b/cryptopp.rc
@@ -27,8 +27,8 @@ LANGUAGE LANG_ENGLISH, SUBLANG_ENGLISH_US
 //
 
 VS_VERSION_INFO VERSIONINFO
- FILEVERSION 5,6,5,0
- PRODUCTVERSION 5,6,5,0
+ FILEVERSION 5,6,6,0
+ PRODUCTVERSION 5,6,6,0
  FILEFLAGSMASK 0x3fL
 #ifdef _DEBUG
  FILEFLAGS 0x1L
@@ -46,13 +46,13 @@ BEGIN
             VALUE "Comments", "Free crypto library, more information available at www.cryptopp.com"
             VALUE "CompanyName", "Wei Dai"
             VALUE "FileDescription", "Crypto++® Library DLL"
-            VALUE "FileVersion", "5, 6, 5, 0"
+            VALUE "FileVersion", "5, 6, 6, 0"
             VALUE "InternalName", "cryptopp"
             VALUE "LegalCopyright", "Copyright© 1995-2016 by Wei Dai"
             VALUE "LegalTrademarks", "Crypto++®"
             VALUE "OriginalFilename", "cryptopp.dll"
             VALUE "ProductName", "Crypto++® Library"
-            VALUE "ProductVersion", "5, 6, 5, 0"
+            VALUE "ProductVersion", "5, 6, 6, 0"
         END
     END
     BLOCK "VarFileInfo"