diff --git a/pyproject.toml b/pyproject.toml
index 3f9c230a579..925373738f5 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -96,7 +96,7 @@ Repository = "https://github.com/equinor/ert"
 [project.optional-dependencies]
 dev = [
     "furo",
-    "hypothesis!=6.102.0,>=5.49",
+    "hypothesis!=6.102.0,<6.112.3,>=5.49",
     "hypothesis>=6.11; python_version >= '3.12'",
     "jsonpath_ng",
     "jupyter",