diff --git a/CMakeLists.txt b/CMakeLists.txt
index c6d076346c..527b443050 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -37,7 +37,7 @@ cmake_policy(SET CMP0011 NEW)
 # is deprecated and will be removed in future versions.
 cmake_policy(SET CMP0012 NEW)
 
-set(MBEDTLS_VERSION 4.1.0)
+set(MBEDTLS_VERSION 4.2.0)
 set(MBEDTLS_CRYPTO_SOVERSION 18)
 set(MBEDTLS_X509_SOVERSION 9)
 set(MBEDTLS_TLS_SOVERSION 23)
diff --git a/doxygen/input/doc_mainpage.h b/doxygen/input/doc_mainpage.h
index b28b82b851..bb86551778 100644
--- a/doxygen/input/doc_mainpage.h
+++ b/doxygen/input/doc_mainpage.h
@@ -10,7 +10,7 @@
  */
 
 /**
- * @mainpage Mbed TLS v4.1.0 API Documentation
+ * @mainpage Mbed TLS v4.2.0 API Documentation
  *
  * This documentation describes the application programming interface (API)
  * of Mbed TLS.
diff --git a/doxygen/mbedtls.doxyfile b/doxygen/mbedtls.doxyfile
index c6a5e4f4fd..e52790af6b 100644
--- a/doxygen/mbedtls.doxyfile
+++ b/doxygen/mbedtls.doxyfile
@@ -1,4 +1,4 @@
-PROJECT_NAME           = "Mbed TLS v4.1.0"
+PROJECT_NAME           = "Mbed TLS v4.2.0"
 OUTPUT_DIRECTORY       = ../apidoc/
 FULL_PATH_NAMES        = NO
 OPTIMIZE_OUTPUT_FOR_C  = YES
diff --git a/include/mbedtls/build_info.h b/include/mbedtls/build_info.h
index e077bbce40..d71e12068b 100644
--- a/include/mbedtls/build_info.h
+++ b/include/mbedtls/build_info.h
@@ -27,7 +27,7 @@
  * Major, Minor, Patchlevel
  */
 #define MBEDTLS_VERSION_MAJOR  4
-#define MBEDTLS_VERSION_MINOR  1
+#define MBEDTLS_VERSION_MINOR  2
 #define MBEDTLS_VERSION_PATCH  0
 
 /**
@@ -35,9 +35,9 @@
  *    MMNNPP00
  *    Major version | Minor version | Patch version
  */
-#define MBEDTLS_VERSION_NUMBER         0x04010000
-#define MBEDTLS_VERSION_STRING         "4.1.0"
-#define MBEDTLS_VERSION_STRING_FULL    "Mbed TLS 4.1.0"
+#define MBEDTLS_VERSION_NUMBER         0x04020000
+#define MBEDTLS_VERSION_STRING         "4.2.0"
+#define MBEDTLS_VERSION_STRING_FULL    "Mbed TLS 4.2.0"
 
 #if defined(MBEDTLS_CONFIG_FILES_READ)
 #error "Something went wrong: MBEDTLS_CONFIG_FILES_READ defined before reading the config files!"
diff --git a/tests/suites/test_suite_version.data b/tests/suites/test_suite_version.data
index 5ffdfe71f9..c22e121461 100644
--- a/tests/suites/test_suite_version.data
+++ b/tests/suites/test_suite_version.data
@@ -1,8 +1,8 @@
 Check compile time library version
-check_compiletime_version:"4.1.0"
+check_compiletime_version:"4.2.0"
 
 Check runtime library version
-check_runtime_version:"4.1.0"
+check_runtime_version:"4.2.0"
 
 Check for MBEDTLS_VERSION_C
 check_feature:"MBEDTLS_VERSION_C":0