diff --git a/CMakeLists.txt b/CMakeLists.txt
index d4337c01..eaf339b0 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -272,12 +272,12 @@ if (WITH_JANSSON)
   set (PKGCONF_REQ_PRIVATE "${PKGCONF_REQ_PRIVATE}, jansson")
 endif ()
 if (WITH_GNUTLS)
-  set (PKGCONF_REQ_PRIVATE "${PKGCONF_REQ_PRIVATE}, gnutls > 3.5.0")
+  set (PKGCONF_REQ_PRIVATE "${PKGCONF_REQ_PRIVATE}, gnutls >= 3.5.0")
 endif ()
 if (WITH_WEBSOCKET)
-  set (PKGCONF_REQ_PRIVATE "${PKGCONF_REQ_PRIVATE}, libmicrohttpd > 0.9.53")
+  set (PKGCONF_REQ_PRIVATE "${PKGCONF_REQ_PRIVATE}, libmicrohttpd >= 0.9.53")
 else ()
-  set (PKGCONF_REQ_PRIVATE "${PKGCONF_REQ_PRIVATE}, libmicrohttpd > 0.9.51")
+  set (PKGCONF_REQ_PRIVATE "${PKGCONF_REQ_PRIVATE}, libmicrohttpd >= 0.9.51")
 endif ()
 
 # build ulfius-cfg.h file