diff --git a/konvex.spec b/konvex.spec
index db84faa..950d660 100644
--- a/konvex.spec
+++ b/konvex.spec
@@ -14,6 +14,7 @@ BuildRequires:  gcc
 BuildRequires:  gcc-c++
 BuildRequires:  libappstream-glib
 BuildRequires:  git
+BuildRequires:  assimp-devel
 
 BuildRequires:  cmake(KF6Config)
 BuildRequires:  cmake(KF6CoreAddons)