diff --git a/multimedia/video/libmatroska/pspec.xml b/multimedia/video/libmatroska/pspec.xml
index b8b022d6fe..0fb759e188 100644
--- a/multimedia/video/libmatroska/pspec.xml
+++ b/multimedia/video/libmatroska/pspec.xml
@@ -15,6 +15,7 @@
https://dl.matroska.org/downloads/libmatroska/libmatroska-1.5.2.tar.xz
libebml-devel
+ cmake