diff --git a/libs/cli/langgraph_cli/config.py b/libs/cli/langgraph_cli/config.py
index a6357c347..3766a4bbe 100644
--- a/libs/cli/langgraph_cli/config.py
+++ b/libs/cli/langgraph_cli/config.py
@@ -1523,9 +1523,11 @@ def python_config_to_docker(
     if all_req_paths:
         # Stabilize order
         all_req_paths = sorted(set(all_req_paths))
+        # Install each requirements.txt sequentially. This mimics the previous sequential solver behavior
+        # which allows to adjust/downgrade packages between installs, so no conflict is raised.
         pip_reqs_str = f"""# -- Installing from requirements.txt files --
 {os.linesep.join(copy_lines)}
-RUN {local_reqs_pip_install} {" ".join("-r '" + p + "'" for p in all_req_paths)}
+{os.linesep.join(f"RUN {local_reqs_pip_install} -r '{p}'" for p in all_req_paths)}
 # -- End of requirements.txt install --"""
 
     # generate lock file if real package and lock file missing
diff --git a/libs/cli/tests/unit_tests/cli/test_cli.py b/libs/cli/tests/unit_tests/cli/test_cli.py
index e4c431bbb..4d4d289a3 100644
--- a/libs/cli/tests/unit_tests/cli/test_cli.py
+++ b/libs/cli/tests/unit_tests/cli/test_cli.py
@@ -154,7 +154,8 @@ services:
                 RUN cd '/deps/cli_1' && uv export --no-hashes --no-dev -o 'requirements.txt'
                 # -- End of requirements.txt generation --
                 # -- Installing from requirements.txt files --
-                RUN PYTHONDONTWRITEBYTECODE=1 uv pip install --system --no-cache-dir -c /api/constraints.txt -r '/deps/cli/requirements.txt' -r '/deps/cli_1/requirements.txt'
+                RUN PYTHONDONTWRITEBYTECODE=1 uv pip install --system --no-cache-dir -c /api/constraints.txt -r '/deps/cli/requirements.txt'
+                RUN PYTHONDONTWRITEBYTECODE=1 uv pip install --system --no-cache-dir -c /api/constraints.txt -r '/deps/cli_1/requirements.txt'
                 # -- End of requirements.txt install --
                 # -- Adding local package . --
                 ADD . /deps/cli
diff --git a/libs/cli/tests/unit_tests/test_config.py b/libs/cli/tests/unit_tests/test_config.py
index 052bc7c5d..eb87bb494 100644
--- a/libs/cli/tests/unit_tests/test_config.py
+++ b/libs/cli/tests/unit_tests/test_config.py
@@ -429,7 +429,8 @@ RUN cd '/deps/examples' && uv pip compile pyproject.toml -o 'requirements.txt' -
 # -- End of requirements.txt generation --
 # -- Installing from requirements.txt files --
 COPY --from=outer-graphs_reqs_a requirements.txt /deps/outer-graphs_reqs_a/graphs_reqs_a/requirements.txt
-RUN PYTHONDONTWRITEBYTECODE=1 uv pip install --system --no-cache-dir -c /api/constraints.txt -r '/deps/examples/requirements.txt' -r '/deps/outer-graphs_reqs_a/graphs_reqs_a/requirements.txt'
+RUN PYTHONDONTWRITEBYTECODE=1 uv pip install --system --no-cache-dir -c /api/constraints.txt -r '/deps/examples/requirements.txt'
+RUN PYTHONDONTWRITEBYTECODE=1 uv pip install --system --no-cache-dir -c /api/constraints.txt -r '/deps/outer-graphs_reqs_a/graphs_reqs_a/requirements.txt'
 # -- End of requirements.txt install --
 # -- Adding local package ../../examples --
 COPY --from=examples . /deps/examples