diff --git a/config/config_default.cmake b/config/config_default.cmake
index a5ca8cc..f25d35c 100644
--- a/config/config_default.cmake
+++ b/config/config_default.cmake
@@ -125,7 +125,7 @@
 set(CMSIS_5_PATH                        "DOWNLOAD"  CACHE PATH      "Path to CMSIS_5 (or DOWNLOAD to fetch automatically")
 
 set(MCUBOOT_PATH                        "DOWNLOAD"  CACHE PATH      "Path to MCUboot (or DOWNLOAD to fetch automatically")
-set(MCUBOOT_VERSION                     "v1.6.0"    CACHE STRING    "The version of MCUboot to use")
+set(MCUBOOT_VERSION                     "b2a1a48"   CACHE STRING    "The version of MCUboot to use")
 set(TFM_INTERNAL_MCUBOOT                OFF         CACHE BOOL      "Use internal MCUboot files instead of upstream repo")
 
 set(PSA_ARCH_TESTS_PATH                 "DOWNLOAD"  CACHE PATH      "Path to PSA arch tests (or DOWNLOAD to fetch automatically")
diff --git a/lib/ext/mcuboot/CMakeLists.txt b/lib/ext/mcuboot/CMakeLists.txt
index 4c817cd..822843f 100644
--- a/lib/ext/mcuboot/CMakeLists.txt
+++ b/lib/ext/mcuboot/CMakeLists.txt
@@ -17,10 +17,12 @@
     FetchContent_Declare(mcuboot
         GIT_REPOSITORY https://github.com/JuulLabs-OSS/mcuboot.git
         GIT_TAG ${MCUBOOT_VERSION}
-        GIT_SHALLOW TRUE
+        GIT_SHALLOW FALSE
         GIT_PROGRESS TRUE
         GIT_SUBMODULES ""
     )
+    # ToDo: set GIT_SHALLOW to 'TRUE' when MCUBOOT_VERSION will be set to a tag
+    # (instead of a commit hash) with the new release.
 
     FetchContent_GetProperties(mcuboot)
     if(NOT mcuboot_POPULATED)