diff --git a/ChangeLog b/ChangeLog
index 584dd65..95a2bfc 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,6 +1,6 @@
 mbed TLS ChangeLog (Sorted per branch, date)
 
-= mbed TLS 2.1.1 released 2015-09-16
+= mbed TLS 2.1.1 released 2015-09-17
 
 Security
    * Add countermeasure against Lenstra's RSA-CRT attack for PKCS#1 v1.5
diff --git a/doxygen/input/doc_mainpage.h b/doxygen/input/doc_mainpage.h
index ca7cd1d..076f24d 100644
--- a/doxygen/input/doc_mainpage.h
+++ b/doxygen/input/doc_mainpage.h
@@ -21,7 +21,7 @@
  */
 
 /**
- * @mainpage mbed TLS v2.1.0 source code documentation
+ * @mainpage mbed TLS v2.1.1 source code documentation
  *
  * This documentation describes the internal structure of mbed TLS.  It was
  * automatically generated from specially formatted comment blocks in
diff --git a/doxygen/mbedtls.doxyfile b/doxygen/mbedtls.doxyfile
index 6ca97c1..e5cd908 100644
--- a/doxygen/mbedtls.doxyfile
+++ b/doxygen/mbedtls.doxyfile
@@ -28,7 +28,7 @@
 # identify the project. Note that if you do not use Doxywizard you need
 # to put quotes around the project name if it contains spaces.
 
-PROJECT_NAME           = "mbed TLS v2.1.0"
+PROJECT_NAME           = "mbed TLS v2.1.1"
 
 # The PROJECT_NUMBER tag can be used to enter a project or revision number.
 # This could be handy for archiving the generated documentation or
diff --git a/include/mbedtls/version.h b/include/mbedtls/version.h
index da76e76..d097264 100644
--- a/include/mbedtls/version.h
+++ b/include/mbedtls/version.h
@@ -39,16 +39,16 @@
  */
 #define MBEDTLS_VERSION_MAJOR  2
 #define MBEDTLS_VERSION_MINOR  1
-#define MBEDTLS_VERSION_PATCH  0
+#define MBEDTLS_VERSION_PATCH  1
 
 /**
  * The single version number has the following structure:
  *    MMNNPP00
  *    Major version | Minor version | Patch version
  */
-#define MBEDTLS_VERSION_NUMBER         0x02010000
-#define MBEDTLS_VERSION_STRING         "2.1.0"
-#define MBEDTLS_VERSION_STRING_FULL    "mbed TLS 2.1.0"
+#define MBEDTLS_VERSION_NUMBER         0x02010100
+#define MBEDTLS_VERSION_STRING         "2.1.1"
+#define MBEDTLS_VERSION_STRING_FULL    "mbed TLS 2.1.1"
 
 #if defined(MBEDTLS_VERSION_C)
 
diff --git a/library/CMakeLists.txt b/library/CMakeLists.txt
index c458117..ea43ccb 100644
--- a/library/CMakeLists.txt
+++ b/library/CMakeLists.txt
@@ -138,15 +138,15 @@
 
 if(USE_SHARED_MBEDTLS_LIBRARY)
     add_library(mbedcrypto SHARED ${src_crypto})
-    set_target_properties(mbedcrypto PROPERTIES VERSION 2.1.0 SOVERSION 0)
+    set_target_properties(mbedcrypto PROPERTIES VERSION 2.1.1 SOVERSION 0)
     target_link_libraries(mbedcrypto ${libs})
 
     add_library(mbedx509 SHARED ${src_x509})
-    set_target_properties(mbedx509 PROPERTIES VERSION 2.1.0 SOVERSION 0)
+    set_target_properties(mbedx509 PROPERTIES VERSION 2.1.1 SOVERSION 0)
     target_link_libraries(mbedx509 ${libs} mbedcrypto)
 
     add_library(mbedtls SHARED ${src_tls})
-    set_target_properties(mbedtls PROPERTIES VERSION 2.1.0 SOVERSION 10)
+    set_target_properties(mbedtls PROPERTIES VERSION 2.1.1 SOVERSION 10)
     target_link_libraries(mbedtls ${libs} mbedx509)
 
     install(TARGETS mbedtls mbedx509 mbedcrypto
diff --git a/tests/suites/test_suite_version.data b/tests/suites/test_suite_version.data
index 29ea2d2..ef8a579 100644
--- a/tests/suites/test_suite_version.data
+++ b/tests/suites/test_suite_version.data
@@ -1,8 +1,8 @@
 Check compiletime library version
-check_compiletime_version:"2.1.0"
+check_compiletime_version:"2.1.1"
 
 Check runtime library version
-check_runtime_version:"2.1.0"
+check_runtime_version:"2.1.1"
 
 Check for MBEDTLS_VERSION_C
 check_feature:"MBEDTLS_VERSION_C":0
diff --git a/yotta/data/module.json b/yotta/data/module.json
index 5b57cc2..997cd10 100644
--- a/yotta/data/module.json
+++ b/yotta/data/module.json
@@ -1,6 +1,6 @@
 {
     "name": "mbedtls",
-    "version": "2.1.0",
+    "version": "2.1.1",
     "description": "The mbed TLS crypto/SSL/TLS library",
     "licenses": [
         {