diff --git a/dev/breeze/pyproject.toml b/dev/breeze/pyproject.toml
index 96a637857afe3..122b67729c0a6 100644
--- a/dev/breeze/pyproject.toml
+++ b/dev/breeze/pyproject.toml
@@ -47,8 +47,12 @@ dependencies = [
     "black>=26.1.0",
     "click>=8.3.0",
     "filelock>=3.13.0",
-    "flit>=3.12.0",
-    "flit-core>=3.12.0",
+    # Capped below 4 because `flit build` has no PEP 517 isolation: the installed flit_core is
+    # what builds every provider distribution, so the `flit_core==` pin they declare never
+    # applies. Adopting the 4.x backend is tracked at
+    # https://github.com/apache/airflow/issues/71121
+    "flit>=3.12.0,<4",
+    "flit-core>=3.12.0,<4",
     "google-api-python-client>=2.142.0",
     "google-auth-httplib2>=0.2.0",
     "google-auth-oauthlib>=1.2.0",
diff --git a/dev/breeze/src/airflow_breeze/prepare_providers/provider_distributions.py b/dev/breeze/src/airflow_breeze/prepare_providers/provider_distributions.py
index ff4ce0b0a0332..459b66a013ccf 100644
--- a/dev/breeze/src/airflow_breeze/prepare_providers/provider_distributions.py
+++ b/dev/breeze/src/airflow_breeze/prepare_providers/provider_distributions.py
@@ -251,7 +251,7 @@ def build_provider_distribution(
     build_backend = provider_info.get("build-system", "flit_core")
     build_env = {"SOURCE_DATE_EPOCH": str(get_provider_details(provider_id).source_date_epoch)}
     if build_backend == "flit_core":
-        command: list[str] = [sys.executable, "-m", "flit", "build", "--no-setup-py", "--use-vcs"]
+        command: list[str] = [sys.executable, "-m", "flit", "build", "--use-vcs"]
         console_print(
             "[warning]Workaround wheel-only package bug in flit by building both and removing sdist."
         )
diff --git a/dev/breeze/uv.lock b/dev/breeze/uv.lock
index 49aa70ea7a951..3441e1155caf6 100644
--- a/dev/breeze/uv.lock
+++ b/dev/breeze/uv.lock
@@ -68,8 +68,8 @@ requires-dist = [
     { name = "boto3", specifier = ">=1.37.2" },
     { name = "click", specifier = ">=8.3.0" },
     { name = "filelock", specifier = ">=3.13.0" },
-    { name = "flit", specifier = ">=3.12.0" },
-    { name = "flit-core", specifier = ">=3.12.0" },
+    { name = "flit", specifier = ">=3.12.0,<4" },
+    { name = "flit-core", specifier = ">=3.12.0,<4" },
     { name = "gitpython", specifier = ">=3.1.40" },
     { name = "google-api-python-client", specifier = ">=2.142.0" },
     { name = "google-auth-httplib2", specifier = ">=0.2.0" },
diff --git a/uv.lock b/uv.lock
index 6f593f9fb857a..36ead8dbe9483 100644
--- a/uv.lock
+++ b/uv.lock
@@ -1889,8 +1889,8 @@ requires-dist = [
     { name = "boto3", specifier = ">=1.37.2" },
     { name = "click", specifier = ">=8.3.0" },
     { name = "filelock", specifier = ">=3.13.0" },
-    { name = "flit", specifier = ">=3.12.0" },
-    { name = "flit-core", specifier = ">=3.12.0" },
+    { name = "flit", specifier = ">=3.12.0,<4" },
+    { name = "flit-core", specifier = ">=3.12.0,<4" },
     { name = "gitpython", specifier = ">=3.1.40" },
     { name = "google-api-python-client", specifier = ">=2.142.0" },
     { name = "google-auth-httplib2", specifier = ">=0.2.0" },