diff --git a/harness/requirements.txt b/harness/requirements.txt
index d6afb22e..9ce2b4a2 100644
--- a/harness/requirements.txt
+++ b/harness/requirements.txt
@@ -10,4 +10,4 @@ claude-agent-sdk>=0.2.87,<0.3
 pydantic>=2.0,<3
 pyyaml>=6.0,<7
 rich>=15.0.0,<16
-typer>=0.12,<1
+typer>=0.26.3,<1
diff --git a/pyproject.toml b/pyproject.toml
index 4958d966..cbf63883 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -52,7 +52,7 @@ dependencies = [
   "pydantic>=2.7,<3",
   "pyyaml>=6.0.3,<7",
   "ruamel.yaml>=0.19.1,<1",
-  "typer>=0.12,<1",
+  "typer>=0.26.3,<1",
 ]
 
 [project.urls]