diff --git a/package/rattler-build/recipe.yaml b/package/rattler-build/recipe.yaml
index 00588983ce..d99238ca88 100644
--- a/package/rattler-build/recipe.yaml
+++ b/package/rattler-build/recipe.yaml
@@ -18,6 +18,7 @@ requirements:
     - cmake
     - compilers>=1.10,<1.11
     - doxygen
+    - icu>=75,<76
     - ninja
     - noqt5
     - python>=3.11,<3.12