diff --git a/requirements.txt b/requirements.txt
index 722a7ae3..617c0c44 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -25,7 +25,7 @@ pip==25.3
 protobuf==6.33.1
 pyasn1==0.5.1
 pyasn1-modules==0.3.0
-pycparser==2.23
+pycparser==3.0
 pydantic==2.12.4
 # pydantic pins pydantic-core, 
 # but dependabot updates these separately (which is broken) and is annoying,