diff --git a/pyproject.toml b/pyproject.toml
index dc9e914..44f9897 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -19,7 +19,7 @@ license = { file = "license.txt" }
 requires-python = ">=3.11,<=3.14"
 dependencies = [
     "click",
-    "cogent3>=2025.7.10a3",
+    "cogent3>=2026.4.13a0",
     "kaleido",
     "numpy",
     "scipy",