diff --git a/tools/tests/dockerfiles/ubuntu_2404/Dockerfile b/tools/tests/dockerfiles/ubuntu_2404/Dockerfile
index 52cba1378..f9aabd4c4 100644
--- a/tools/tests/dockerfiles/ubuntu_2404/Dockerfile
+++ b/tools/tests/dockerfiles/ubuntu_2404/Dockerfile
@@ -235,20 +235,63 @@ COPY --from=precice /home/precice/.local/ /home/precice/.local/
 ARG DUNE_VERSION
 ARG DUMUX_VERSION
 USER precice
-WORKDIR /home/precice
-RUN mkdir dumux&&\
-    cd dumux&&\
-    git clone --depth 1 https://gitlab.dune-project.org/core/dune-common.git -b releases/${DUNE_VERSION} &&\
-    git clone --depth 1 https://gitlab.dune-project.org/core/dune-geometry.git -b releases/${DUNE_VERSION} &&\
-    git clone --depth 1 https://gitlab.dune-project.org/core/dune-grid.git -b releases/${DUNE_VERSION} &&\
-    git clone --depth 1 https://gitlab.dune-project.org/core/dune-istl.git -b releases/${DUNE_VERSION} &&\
-    git clone --depth 1 https://gitlab.dune-project.org/extensions/dune-subgrid.git -b releases/${DUNE_VERSION} &&\
-    git clone --depth 1 https://git.iws.uni-stuttgart.de/dumux-repositories/dumux.git -b releases/${DUMUX_VERSION} &&\
-    git clone -b cell_problems https://git.iws.uni-stuttgart.de/dumux-appl/dumux-phasefield.git &&\
-    git clone --depth 1 https://gitlab.dune-project.org/extensions/dune-SPGrid.git -b releases/${DUNE_VERSION} &&\
-    git clone --depth 1 https://gitlab.dune-project.org/core/dune-localfunctions.git -b releases/${DUNE_VERSION}
 WORKDIR /home/precice/dumux
 ENV PATH="/home/precice/dumux/dune-common/bin:${PATH}"
+# This cascade of git clones often led to HTTP 502. Adding some delay and retries in between as a workaround.
+RUN for i in $(seq 1 3); do \
+        if git clone --depth 1 https://gitlab.dune-project.org/core/dune-common.git -b releases/${DUNE_VERSION}; then break; fi; \
+        rm -rf dune-common; \
+        if [[ $i -eq 3 ]]; then exit 1; fi; \
+        sleep 10; \
+    done
+RUN for i in $(seq 1 3); do \
+        if git clone --depth 1 https://gitlab.dune-project.org/core/dune-geometry.git -b releases/${DUNE_VERSION}; then break; fi; \
+        rm -rf dune-geometry; \
+        if [[ $i -eq 3 ]]; then exit 1; fi; \
+        sleep 10; \
+    done
+RUN for i in $(seq 1 3); do \
+        if git clone --depth 1 https://gitlab.dune-project.org/core/dune-grid.git -b releases/${DUNE_VERSION}; then break; fi; \
+        rm -rf dune-grid; \
+        if [[ $i -eq 3 ]]; then exit 1; fi; \
+        sleep 10; \
+    done
+RUN for i in $(seq 1 3); do \
+        if git clone --depth 1 https://gitlab.dune-project.org/core/dune-istl.git -b releases/${DUNE_VERSION}; then break; fi; \
+        rm -rf dune-istl; \
+        if [[ $i -eq 3 ]]; then exit 1; fi; \
+        sleep 10; \
+    done
+RUN for i in $(seq 1 3); do \
+        if git clone --depth 1 https://gitlab.dune-project.org/extensions/dune-subgrid.git -b releases/${DUNE_VERSION}; then break; fi; \
+        rm -rf dune-subgrid; \
+        if [[ $i -eq 3 ]]; then exit 1; fi; \
+        sleep 10; \
+    done
+RUN for i in $(seq 1 3); do \
+        if git clone --depth 1 https://git.iws.uni-stuttgart.de/dumux-repositories/dumux.git -b releases/${DUMUX_VERSION}; then break; fi; \
+        rm -rf dumux; \
+        if [[ $i -eq 3 ]]; then exit 1; fi; \
+        sleep 10; \
+    done
+RUN for i in $(seq 1 3); do \
+        if git clone -b cell_problems https://git.iws.uni-stuttgart.de/dumux-appl/dumux-phasefield.git; then break; fi; \
+        rm -rf dumux-phasefield; \
+        if [[ $i -eq 3 ]]; then exit 1; fi; \
+        sleep 10; \
+    done
+RUN for i in $(seq 1 3); do \
+        if git clone --depth 1 https://gitlab.dune-project.org/extensions/dune-SPGrid.git -b releases/${DUNE_VERSION}; then break; fi; \
+        rm -rf dune-SPGrid; \
+        if [[ $i -eq 3 ]]; then exit 1; fi; \
+        sleep 10; \
+    done
+RUN for i in $(seq 1 3); do \
+        if git clone --depth 1 https://gitlab.dune-project.org/core/dune-localfunctions.git -b releases/${DUNE_VERSION}; then break; fi; \
+        rm -rf dune-localfunctions; \
+        if [[ $i -eq 3 ]]; then exit 1; fi; \
+        sleep 10; \
+    done
 # build core DUNE, DuMuX and the adapter
 ARG DUMUX_ADAPTER_PR
 ARG DUMUX_ADAPTER_REF