diff --git a/dockerimg/testdata/testcreatedockerfile_empty_repo.dockerfile b/dockerimg/testdata/testcreatedockerfile_empty_repo.dockerfile
index 4b01973..fc93635 100644
--- a/dockerimg/testdata/testcreatedockerfile_empty_repo.dockerfile
+++ b/dockerimg/testdata/testcreatedockerfile_empty_repo.dockerfile
@@ -1,4 +1,4 @@
-FROM ghcr.io/boldsoftware/sketch:3a03b430af3cabf3415d263b7803b311
+FROM ghcr.io/boldsoftware/sketch:f5b4ebd9ca15d3dbd2cd08e6e7ab9548
 
 ARG GIT_USER_EMAIL
 ARG GIT_USER_NAME
@@ -7,17 +7,18 @@
     git config --global user.name "$GIT_USER_NAME" && \
     git config --global http.postBuffer 524288000
 
-LABEL sketch_context="7f08d4359542e0a924280791b6d7baae3480d3878b309e30eaf24d291b41e1df"
+LABEL sketch_context="1dc5390aeffdde5c41adc1f9d349206d7cdf1bf607e7dd1f4fd7d6f6b8c3be12"
 COPY . /app
 
 WORKDIR /app
 RUN if [ -f go.mod ]; then go mod download; fi
 
-RUN set -eux; \
-    # Install any Python dependencies if applicable, continuing on failure
-    if [ -f requirements.txt ]; then pip3 install -r requirements.txt || true; fi
+# Switch to lenient shell so we are more likely to get past failing extra_cmds.
+SHELL ["/bin/bash", "-uo", "pipefail", "-c"]
 
-# Ensure sketch binary is available
-RUN if [ ! -f /bin/sketch ]; then ln -s /app/sketch /bin/sketch || true; fi
+RUN if [ -f requirements.txt ]; then pip3 install -r requirements.txt || true; fi
+
+# Switch back to strict shell after extra_cmds.
+SHELL ["/bin/bash", "-euxo", "pipefail", "-c"]
 
 CMD ["/bin/sketch"]