diff --git a/arraycontext/version.py b/arraycontext/version.py
index 05fe87637995fb8ef69fc7e79f08bf67757be64c..d33045f0e9005403c5ee717cade37b7ccf9505bf 100644
--- a/arraycontext/version.py
+++ b/arraycontext/version.py
@@ -4,7 +4,7 @@ from importlib import metadata
 def _parse_version(version: str) -> tuple[tuple[int, ...], str]:
     import re
 
-    m = re.match("^([0-9.]+)([a-z0-9]*?)$", VERSION_TEXT)
+    m = re.match(r"^([0-9.]+)([a-z0-9]*?)$", VERSION_TEXT)
     assert m is not None
 
     return tuple(int(nr) for nr in m.group(1).split(".")), m.group(2)