diff --git a/icoscp_stilt/pyproject.toml b/icoscp_stilt/pyproject.toml
index aca157f..b923a27 100644
--- a/icoscp_stilt/pyproject.toml
+++ b/icoscp_stilt/pyproject.toml
@@ -36,13 +36,13 @@ classifiers = [
 
 requires-python = ">=3.10"
 dependencies = [
-    "requests",
+    "folium >= 0.13.0",
     "icoscp_core",
-    "pandas",
-    "xarray",
-    "netCDF4",
-    "folium",
-    "tqdm"
+    "pandas >= 1.3.5, < 2",
+    "netCDF4 >= 1.5.8",
+    "requests >= 2.26.0",
+    "tqdm >= 4.64.1",
+    "xarray >= 2022.9.0"
 ]