diff --git a/.github/espidf-ci/Dockerfile b/.github/espidf-ci/Dockerfile
index 01f2b01..063d566 100644
--- a/.github/espidf-ci/Dockerfile
+++ b/.github/espidf-ci/Dockerfile
@@ -27,7 +27,7 @@ RUN ln -sf /bin/bash /bin/sh
 RUN cd / && \
   git clone https://github.com/espressif/esp-idf && \
   cd esp-idf && \
-  git checkout v5.1 && \
+  git checkout v5.1.1 && \
   git submodule update --init --recursive
 
 RUN cd /esp-idf && \