diff --git a/manifest.xml b/manifest.xml
index 6fe1d25..8ff3cb3 100644
--- a/manifest.xml
+++ b/manifest.xml
@@ -7,5 +7,6 @@
   <license>LGPL-2.0-or-later</license>
   <depend package="base/types" />
   <depend package="base/logging" />
+  <depend package="boost" />
   <tags>needs_opt</tags>
 </package>
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index fd68c81..17ffbef 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -20,4 +20,5 @@ rock_library(numeric
         Twiddle.cpp
         Circle.cpp
     DEPS_PKGCONFIG base-types base-lib base-logging
+    DEPS_CMAKE Boost
 )