diff --git a/docs/Project.toml b/docs/Project.toml
index b6b5e79939..ff1fbf4e11 100644
--- a/docs/Project.toml
+++ b/docs/Project.toml
@@ -8,3 +8,4 @@ TrixiParticles = "66699cd8-9c01-4e9d-a059-b96c86d16b3a"
 Documenter = "1"
 OrdinaryDiffEq = "6"
 TrixiBase = "0.1"
+TrixiParticles = "0.1"