diff --git a/src/gt4py/next/config.py b/src/gt4py/next/config.py
index ec6a328100..de8c9f6222 100644
--- a/src/gt4py/next/config.py
+++ b/src/gt4py/next/config.py
@@ -134,9 +134,10 @@ def env_flag_to_int(name: str, default: int) -> int:
     # NOTE: Ideally we would suppress the warnings using context managers directly in
     #   the backend. However, because this is not thread safe in Python versions before
     #   3.14, we have to do it here.
-    warnings.filterwarnings(action="ignore", module="^dace(\..+)?")
+    warnings.filterwarnings(action="ignore", module=r"^dace(\..+)?")
     warnings.filterwarnings(
-        action="ignore", module="^gt4py.next.program_processors.runners.dace.transformations(\..+)?"
+        action="ignore",
+        module=r"^gt4py.next.program_processors.runners.dace.transformations(\..+)?",
     )