diff --git a/integrations/docker/images/base/chip-build/version b/integrations/docker/images/base/chip-build/version
index a3bb1d9..ca7bc01 100644
--- a/integrations/docker/images/base/chip-build/version
+++ b/integrations/docker/images/base/chip-build/version
@@ -1 +1 @@
-7 : Fix TI sysconfig root in vscode image
+8 : Update Silabs GSDK to v4.3.1
diff --git a/integrations/docker/images/stage-2/chip-build-efr32/Dockerfile b/integrations/docker/images/stage-2/chip-build-efr32/Dockerfile
index 1946a0e..619dcb8 100644
--- a/integrations/docker/images/stage-2/chip-build-efr32/Dockerfile
+++ b/integrations/docker/images/stage-2/chip-build-efr32/Dockerfile
@@ -17,8 +17,8 @@
     && : # last line
 
 
-#Clone Gecko SDK 4.2.0 (ef05eb6)
-RUN git clone --depth=1 --branch=v4.2.3 https://github.com/SiliconLabs/gecko_sdk.git && \
+#Clone Gecko SDK 4.3.1 (2ba59bf)
+RUN git clone --depth=1 --branch=v4.3.1 https://github.com/SiliconLabs/gecko_sdk.git && \
     cd gecko_sdk && \
     rm -rf .git \
     && : # last line