diff --git a/environment.yml b/environment.yml
index 6be8e376da..54d6913fba 100644
--- a/environment.yml
+++ b/environment.yml
@@ -10,7 +10,7 @@ dependencies:
   - python>=3.10
   - compilers
   - numpy>=1.17.0
-  - scipy>=0.14
+  - scipy>=0.14,<1.14.0
   - filelock
   - etuples
   - logical-unification
diff --git a/pyproject.toml b/pyproject.toml
index 31f0e1bb24..828efe0497 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -47,7 +47,7 @@ keywords = [
 ]
 dependencies = [
     "setuptools>=59.0.0",
-    "scipy>=0.14",
+    "scipy>=0.14,<1.14",
     "numpy>=1.17.0,<2",
     "filelock",
     "etuples",