diff --git a/CHANGELOG.md b/CHANGELOG.md
index d635c05..648e748 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,7 @@ Note: Breaking changes between versions are indicated by "💥".
 
 ## Unreleased
 
+- [Security] Timed exam security fix [29347](https://github.com/edx/edx-platform/pull/29347).
 - [Feature] Add [tutor-richie](https://github.com/overhangio/tutor-richie) to the plugins that are bundled with the tutor binary.
 - [Improvement] Make `tutor plugins list` print plugins sorted by name.
 - [Improvement] Ignore Python plugins which cannot be loaded.
diff --git a/tutor/templates/build/openedx/Dockerfile b/tutor/templates/build/openedx/Dockerfile
index a71a65a..1da4334 100644
--- a/tutor/templates/build/openedx/Dockerfile
+++ b/tutor/templates/build/openedx/Dockerfile
@@ -44,9 +44,12 @@ RUN git config --global user.email "tutor@overhang.io" \
 {{ patch("openedx-dockerfile-git-patches-default") }}
 {% else %}
 # Patch edx-platform
+# edx-proctoring security fix https://github.com/edx/edx-platform/pull/29347/
+RUN git fetch --depth=2 https://github.com/edx/edx-platform d61dcac29d1651956623c150be53a8bbe69e9346 \
+  && git cherry-pick d61dcac29d1651956623c150be53a8bbe69e9346
 {% endif %}
 
-{# Example: RUN git fetch https://github.com/edx/edx-platform <GITSHA1> && git cherry-pick <GITSHA1> #}
+{# Example: RUN git fetch --depth=2 https://github.com/edx/edx-platform <GITSHA1> && git cherry-pick <GITSHA1> #}
 {{ patch("openedx-dockerfile-post-git-checkout") }}
 
 ###### Download extra locales to /openedx/locale/contrib/locale