diff --git a/Project.toml b/Project.toml
index 4d967331a..156cca2ef 100644
--- a/Project.toml
+++ b/Project.toml
@@ -40,7 +40,7 @@ FlexiJoins = "0.1.30"
 GeoFormatTypes = "0.4"
 GeoInterface = "1.2"
 GeometryBasics = "0.4.7, 0.5"
-GeometryOpsCore = "=0.1.4"
+GeometryOpsCore = "=0.1.4, 0.1"
 LibGEOS = "0.9.2"
 LinearAlgebra = "1"
 Proj = "1"