diff --git a/include/mbedtls/build_info.h b/include/mbedtls/build_info.h
index b46db36d1f..e40482a99a 100644
--- a/include/mbedtls/build_info.h
+++ b/include/mbedtls/build_info.h
@@ -54,7 +54,7 @@
 #endif
 
 #if defined(MBEDTLS_CONFIG_VERSION) && ( \
-    MBEDTLS_CONFIG_VERSION < 0x03000000 || \
+    MBEDTLS_CONFIG_VERSION < 0x04000000 || \
                              MBEDTLS_CONFIG_VERSION > MBEDTLS_VERSION_NUMBER)
 #error "Invalid config version, defined value of MBEDTLS_CONFIG_VERSION is unsupported"
 #endif
diff --git a/include/mbedtls/mbedtls_config.h b/include/mbedtls/mbedtls_config.h
index b1e30ab2d2..bffae6da50 100644
--- a/include/mbedtls/mbedtls_config.h
+++ b/include/mbedtls/mbedtls_config.h
@@ -19,7 +19,7 @@
  * It is equal to the #MBEDTLS_VERSION_NUMBER of the Mbed TLS version that
  * introduced the config format we want to be compatible with.
  */
-//#define MBEDTLS_CONFIG_VERSION 0x03000000
+//#define MBEDTLS_CONFIG_VERSION 0x04000000
 
 /**
  * \name SECTION: Platform abstraction layer