diff --git a/pixi.toml b/pixi.toml
index 7daf7c3f03..14550deba1 100644
--- a/pixi.toml
+++ b/pixi.toml
@@ -32,7 +32,7 @@ nine = "*"
 ninja = "*"
 noqt5 = "*"
 numpy = ">=1.26,<1.27"
-occt = "*"
+occt = ">=7.8,<7.9"
 opencamlib = "*"
 opencv = "*"
 openssl = "*"