diff --git a/packages/core/pyproject.toml b/packages/core/pyproject.toml
index 8288ee8..26fc9ce 100644
--- a/packages/core/pyproject.toml
+++ b/packages/core/pyproject.toml
@@ -25,7 +25,7 @@ dependencies = [
     "pyyaml>=6.0,<7",
     "anthropic>=0.58,<1",
     "openai>=1.50,<3",
-    "structlog>=24.1,<25",
+    "structlog>=24.1,<26",
 ]
 
 [project.optional-dependencies]