diff --git a/libssh.pc.cmake b/libssh.pc.cmake
index f288b94..438ca38 100644
--- a/libssh.pc.cmake
+++ b/libssh.pc.cmake
@@ -6,5 +6,5 @@ includedir=@CMAKE_INSTALL_FULL_INCLUDEDIR@
 Name: @PROJECT_NAME@
 Description: The SSH Library
 Version: @PROJECT_VERSION@
-Libs: -L${libdir} -lssh
+Libs: -L${libdir} -lssh -lcrypto -lz
 Cflags: -I${includedir}