diff --git a/examples/Makefile-efr32 b/examples/Makefile-efr32
index 9a6d7a76b..7893fdb10 100644
--- a/examples/Makefile-efr32
+++ b/examples/Makefile-efr32
@@ -79,11 +79,11 @@ EFR32_MBEDTLS_CPPFLAGS  = -DMBEDTLS_CONFIG_FILE='\"mbedtls-config.h\"'
 EFR32_MBEDTLS_CPPFLAGS += -DMBEDTLS_USER_CONFIG_FILE='\"efr32-mbedtls-config.h\"'
 EFR32_MBEDTLS_CPPFLAGS += -D$(MCU)
 EFR32_MBEDTLS_CPPFLAGS += -I$(AbsTopSourceDir)/examples/platforms/efr32/crypto
-EFR32_MBEDTLS_CPPFLAGS += -I$(AbsTopSourceDir)/third_party/silabs/gecko_sdk_suite/v2.2/util/third_party/mbedtls/configs
-EFR32_MBEDTLS_CPPFLAGS += -I$(AbsTopSourceDir)/third_party/silabs/gecko_sdk_suite/v2.2/platform/CMSIS/Include
-EFR32_MBEDTLS_CPPFLAGS += -I$(AbsTopSourceDir)/third_party/silabs/gecko_sdk_suite/v2.2/util/third_party/mbedtls/sl_crypto/include
-EFR32_MBEDTLS_CPPFLAGS += -I$(AbsTopSourceDir)/third_party/silabs/gecko_sdk_suite/v2.2/platform/Device/SiliconLabs/EFR32MG12P/Include
-EFR32_MBEDTLS_CPPFLAGS += -I$(AbsTopSourceDir)/third_party/silabs/gecko_sdk_suite/v2.2/platform/emlib/inc
+EFR32_MBEDTLS_CPPFLAGS += -I$(AbsTopSourceDir)/third_party/silabs/gecko_sdk_suite/v2.3/util/third_party/mbedtls/configs
+EFR32_MBEDTLS_CPPFLAGS += -I$(AbsTopSourceDir)/third_party/silabs/gecko_sdk_suite/v2.3/platform/CMSIS/Include
+EFR32_MBEDTLS_CPPFLAGS += -I$(AbsTopSourceDir)/third_party/silabs/gecko_sdk_suite/v2.3/util/third_party/mbedtls/sl_crypto/include
+EFR32_MBEDTLS_CPPFLAGS += -I$(AbsTopSourceDir)/third_party/silabs/gecko_sdk_suite/v2.3/platform/Device/SiliconLabs/EFR32MG12P/Include
+EFR32_MBEDTLS_CPPFLAGS += -I$(AbsTopSourceDir)/third_party/silabs/gecko_sdk_suite/v2.3/platform/emlib/inc
 EFR32_MBEDTLS_CPPFLAGS += -I$(AbsTopSourceDir)/third_party/mbedtls
 EFR32_MBEDTLS_CPPFLAGS += -I$(AbsTopSourceDir)/third_party/mbedtls/repo/include
 EFR32_MBEDTLS_CPPFLAGS += -I$(AbsTopSourceDir)/third_party/mbedtls/repo/include/mbedtls
diff --git a/examples/platforms/efr32/Makefile.am b/examples/platforms/efr32/Makefile.am
index de4a7645a..476ab45d5 100644
--- a/examples/platforms/efr32/Makefile.am
+++ b/examples/platforms/efr32/Makefile.am
@@ -38,7 +38,7 @@ override CXXFLAGS                            := $(filter-out -Wconversion,$(CXXF
 override CFLAGS                              := $(filter-out -pedantic-errors,$(CFLAGS))
 override CXXFLAGS                            := $(filter-out -pedantic-errors,$(CXXFLAGS))
 
-EFR32MG_SDK_SRCDIR                            = $(top_srcdir)/third_party/silabs/gecko_sdk_suite/v2.2
+EFR32MG_SDK_SRCDIR                            = $(top_srcdir)/third_party/silabs/gecko_sdk_suite/v2.3
 
 libopenthread_efr32_a_CPPFLAGS                                                = \
     -D__START=main                                                              \
@@ -86,33 +86,33 @@ PLATFORM_SOURCES                                                              =
     $(NULL)
 
 nodist_libopenthread_efr32_a_SOURCES                                                                                           =  \
-    @top_builddir@/third_party/silabs/gecko_sdk_suite/v2.2/hardware/kit/common/bsp/bsp_bcc.c                                      \
-    @top_builddir@/third_party/silabs/gecko_sdk_suite/v2.2/hardware/kit/common/bsp/bsp_init.c                                     \
-    @top_builddir@/third_party/silabs/gecko_sdk_suite/v2.2/hardware/kit/common/bsp/bsp_stk.c                                      \
-    @top_builddir@/third_party/silabs/gecko_sdk_suite/v2.2/hardware/kit/common/bsp/bsp_stk_leds.c                                 \
-    @top_builddir@/third_party/silabs/gecko_sdk_suite/v2.2/platform/Device/SiliconLabs/EFR32MG12P/Source/system_efr32mg12p.c      \
-    @top_builddir@/third_party/silabs/gecko_sdk_suite/v2.2/platform/Device/SiliconLabs/EFR32MG12P/Source/GCC/startup_efr32mg12p.c \
-    @top_builddir@/third_party/silabs/gecko_sdk_suite/v2.2/platform/emdrv/dmadrv/src/dmadrv.c                                     \
-    @top_builddir@/third_party/silabs/gecko_sdk_suite/v2.2/platform/emdrv/gpiointerrupt/src/gpiointerrupt.c                       \
-    @top_builddir@/third_party/silabs/gecko_sdk_suite/v2.2/platform/emdrv/rtcdrv/src/rtcdriver.c                                  \
-    @top_builddir@/third_party/silabs/gecko_sdk_suite/v2.2/platform/emdrv/uartdrv/src/uartdrv.c                                   \
-    @top_builddir@/third_party/silabs/gecko_sdk_suite/v2.2/platform/emdrv/ustimer/src/ustimer.c                                   \
-    @top_builddir@/third_party/silabs/gecko_sdk_suite/v2.2/platform/emlib/src/em_adc.c                                            \
-    @top_builddir@/third_party/silabs/gecko_sdk_suite/v2.2/platform/emlib/src/em_cmu.c                                            \
-    @top_builddir@/third_party/silabs/gecko_sdk_suite/v2.2/platform/emlib/src/em_core.c                                           \
-    @top_builddir@/third_party/silabs/gecko_sdk_suite/v2.2/platform/emlib/src/em_crypto.c                                         \
-    @top_builddir@/third_party/silabs/gecko_sdk_suite/v2.2/platform/emlib/src/em_emu.c                                            \
-    @top_builddir@/third_party/silabs/gecko_sdk_suite/v2.2/platform/emlib/src/em_gpio.c                                           \
-    @top_builddir@/third_party/silabs/gecko_sdk_suite/v2.2/platform/emlib/src/em_ldma.c                                           \
-    @top_builddir@/third_party/silabs/gecko_sdk_suite/v2.2/platform/emlib/src/em_leuart.c                                         \
-    @top_builddir@/third_party/silabs/gecko_sdk_suite/v2.2/platform/emlib/src/em_msc.c                                            \
-    @top_builddir@/third_party/silabs/gecko_sdk_suite/v2.2/platform/emlib/src/em_rmu.c                                            \
-    @top_builddir@/third_party/silabs/gecko_sdk_suite/v2.2/platform/emlib/src/em_rtcc.c                                           \
-    @top_builddir@/third_party/silabs/gecko_sdk_suite/v2.2/platform/emlib/src/em_system.c                                         \
-    @top_builddir@/third_party/silabs/gecko_sdk_suite/v2.2/platform/emlib/src/em_timer.c                                          \
-    @top_builddir@/third_party/silabs/gecko_sdk_suite/v2.2/platform/emlib/src/em_usart.c                                          \
-    @top_builddir@/third_party/silabs/gecko_sdk_suite/v2.2/platform/radio/rail_lib/hal/efr32/hal_efr.c                            \
-    @top_builddir@/third_party/silabs/gecko_sdk_suite/v2.2/platform/radio/rail_lib/hal/hal_common.c                               \
+    @top_builddir@/third_party/silabs/gecko_sdk_suite/v2.3/hardware/kit/common/bsp/bsp_bcc.c                                      \
+    @top_builddir@/third_party/silabs/gecko_sdk_suite/v2.3/hardware/kit/common/bsp/bsp_init.c                                     \
+    @top_builddir@/third_party/silabs/gecko_sdk_suite/v2.3/hardware/kit/common/bsp/bsp_stk.c                                      \
+    @top_builddir@/third_party/silabs/gecko_sdk_suite/v2.3/hardware/kit/common/bsp/bsp_stk_leds.c                                 \
+    @top_builddir@/third_party/silabs/gecko_sdk_suite/v2.3/platform/Device/SiliconLabs/EFR32MG12P/Source/system_efr32mg12p.c      \
+    @top_builddir@/third_party/silabs/gecko_sdk_suite/v2.3/platform/Device/SiliconLabs/EFR32MG12P/Source/GCC/startup_efr32mg12p.c \
+    @top_builddir@/third_party/silabs/gecko_sdk_suite/v2.3/platform/emdrv/dmadrv/src/dmadrv.c                                     \
+    @top_builddir@/third_party/silabs/gecko_sdk_suite/v2.3/platform/emdrv/gpiointerrupt/src/gpiointerrupt.c                       \
+    @top_builddir@/third_party/silabs/gecko_sdk_suite/v2.3/platform/emdrv/rtcdrv/src/rtcdriver.c                                  \
+    @top_builddir@/third_party/silabs/gecko_sdk_suite/v2.3/platform/emdrv/uartdrv/src/uartdrv.c                                   \
+    @top_builddir@/third_party/silabs/gecko_sdk_suite/v2.3/platform/emdrv/ustimer/src/ustimer.c                                   \
+    @top_builddir@/third_party/silabs/gecko_sdk_suite/v2.3/platform/emlib/src/em_adc.c                                            \
+    @top_builddir@/third_party/silabs/gecko_sdk_suite/v2.3/platform/emlib/src/em_cmu.c                                            \
+    @top_builddir@/third_party/silabs/gecko_sdk_suite/v2.3/platform/emlib/src/em_core.c                                           \
+    @top_builddir@/third_party/silabs/gecko_sdk_suite/v2.3/platform/emlib/src/em_crypto.c                                         \
+    @top_builddir@/third_party/silabs/gecko_sdk_suite/v2.3/platform/emlib/src/em_emu.c                                            \
+    @top_builddir@/third_party/silabs/gecko_sdk_suite/v2.3/platform/emlib/src/em_gpio.c                                           \
+    @top_builddir@/third_party/silabs/gecko_sdk_suite/v2.3/platform/emlib/src/em_ldma.c                                           \
+    @top_builddir@/third_party/silabs/gecko_sdk_suite/v2.3/platform/emlib/src/em_leuart.c                                         \
+    @top_builddir@/third_party/silabs/gecko_sdk_suite/v2.3/platform/emlib/src/em_msc.c                                            \
+    @top_builddir@/third_party/silabs/gecko_sdk_suite/v2.3/platform/emlib/src/em_rmu.c                                            \
+    @top_builddir@/third_party/silabs/gecko_sdk_suite/v2.3/platform/emlib/src/em_rtcc.c                                           \
+    @top_builddir@/third_party/silabs/gecko_sdk_suite/v2.3/platform/emlib/src/em_system.c                                         \
+    @top_builddir@/third_party/silabs/gecko_sdk_suite/v2.3/platform/emlib/src/em_timer.c                                          \
+    @top_builddir@/third_party/silabs/gecko_sdk_suite/v2.3/platform/emlib/src/em_usart.c                                          \
+    @top_builddir@/third_party/silabs/gecko_sdk_suite/v2.3/platform/radio/rail_lib/hal/efr32/hal_efr.c                            \
+    @top_builddir@/third_party/silabs/gecko_sdk_suite/v2.3/platform/radio/rail_lib/hal/hal_common.c                               \
     $(NULL)
 
 noinst_HEADERS                                                                = \
diff --git a/examples/platforms/efr32/Makefile.platform.am b/examples/platforms/efr32/Makefile.platform.am
index 4cdb93e14..971c3b180 100644
--- a/examples/platforms/efr32/Makefile.platform.am
+++ b/examples/platforms/efr32/Makefile.platform.am
@@ -32,9 +32,9 @@
 
 LDADD_COMMON                                                          += \
     $(top_builddir)/examples/platforms/efr32/libopenthread-efr32.a       \
-    $(top_srcdir)/third_party/silabs/gecko_sdk_suite/v2.2/platform/radio/rail_lib/autogen/librail_release/librail_efr32xg12_gcc_release.a \
+    $(top_srcdir)/third_party/silabs/gecko_sdk_suite/v2.3/platform/radio/rail_lib/autogen/librail_release/librail_efr32xg12_gcc_release.a \
     $(NULL)
 
 LDFLAGS_COMMON                                                        += \
-    -T $(top_srcdir)/third_party/silabs/gecko_sdk_suite/v2.2/platform/Device/SiliconLabs/EFR32MG12P/Source/GCC/efr32mg12p.ld \
+    -T $(top_srcdir)/third_party/silabs/gecko_sdk_suite/v2.3/platform/Device/SiliconLabs/EFR32MG12P/Source/GCC/efr32mg12p.ld \
     $(NULL)
diff --git a/examples/platforms/efr32/fem-control.c b/examples/platforms/efr32/fem-control.c
index fa8c91697..352a4fc9f 100644
--- a/examples/platforms/efr32/fem-control.c
+++ b/examples/platforms/efr32/fem-control.c
@@ -29,5 +29,5 @@
 #include "hal-config.h"
 
 #if (HAL_FEM_ENABLE)
-#include "../../../third_party/silabs/gecko_sdk_suite/v2.2/util/plugin/plugin-common/fem-control/fem-control.c"
+#include "../../../third_party/silabs/gecko_sdk_suite/v2.3/util/plugin/plugin-common/fem-control/fem-control.c"
 #endif
diff --git a/third_party/mbedtls/Makefile.am b/third_party/mbedtls/Makefile.am
index ae34b508d..7c099cdec 100644
--- a/third_party/mbedtls/Makefile.am
+++ b/third_party/mbedtls/Makefile.am
@@ -50,8 +50,8 @@ libmbedcrypto_a_SOURCES                       = \
 
 if OPENTHREAD_EXAMPLES_EFR32
 nodist_libmbedcrypto_a_SOURCES                                                                                      = \
-    @top_builddir@/third_party/silabs/gecko_sdk_suite/v2.2/util/third_party/mbedtls/sl_crypto/src/crypto_aes.c        \
-    @top_builddir@/third_party/silabs/gecko_sdk_suite/v2.2/util/third_party/mbedtls/sl_crypto/src/crypto_management.c \
+    @top_builddir@/third_party/silabs/gecko_sdk_suite/v2.3/util/third_party/mbedtls/sl_crypto/src/crypto_aes.c        \
+    @top_builddir@/third_party/silabs/gecko_sdk_suite/v2.3/util/third_party/mbedtls/sl_crypto/src/crypto_management.c \
     $(NULL)
 else
 libmbedcrypto_a_SOURCES                      += \
@@ -92,8 +92,8 @@ libmbedcrypto_a_SOURCES                      += \
 
 if OPENTHREAD_EXAMPLES_EFR32
 nodist_libmbedcrypto_a_SOURCES                                                                              += \
-    @top_builddir@/third_party/silabs/gecko_sdk_suite/v2.2/util/third_party/mbedtls/library/ecp.c              \
-    @top_builddir@/third_party/silabs/gecko_sdk_suite/v2.2/util/third_party/mbedtls/sl_crypto/src/crypto_ecp.c \
+    @top_builddir@/third_party/silabs/gecko_sdk_suite/v2.3/util/third_party/mbedtls/library/ecp.c              \
+    @top_builddir@/third_party/silabs/gecko_sdk_suite/v2.3/util/third_party/mbedtls/sl_crypto/src/crypto_ecp.c \
     $(NULL)
 else
 libmbedcrypto_a_SOURCES                      += \