diff --git a/cmake/modules/falcosecurity-libs.cmake b/cmake/modules/falcosecurity-libs.cmake
index b79d2b5c304..b8cbe3d42ec 100644
--- a/cmake/modules/falcosecurity-libs.cmake
+++ b/cmake/modules/falcosecurity-libs.cmake
@@ -34,8 +34,8 @@ else()
   # In case you want to test against another falcosecurity/libs version (or branch, or commit) just pass the variable -
   # ie., `cmake -DFALCOSECURITY_LIBS_VERSION=dev ..` 
   if(NOT FALCOSECURITY_LIBS_VERSION)
-    set(FALCOSECURITY_LIBS_VERSION "0.13.0")
-    set(FALCOSECURITY_LIBS_CHECKSUM "SHA256=19189e78c03781a118e43a62631e07806525720efd1a94a4ec37aac1dcca4d3f")
+    set(FALCOSECURITY_LIBS_VERSION "0.13.1-rc1")
+    set(FALCOSECURITY_LIBS_CHECKSUM "SHA256=42d488016ddffe2476ead30a7fdb1f383af96206250e9cb8d639a13439059f94")
   endif()
 
   # cd /path/to/build && cmake /path/to/source
diff --git a/falco.yaml b/falco.yaml
index 79c713e8f4d..0d41270605a 100644
--- a/falco.yaml
+++ b/falco.yaml
@@ -674,6 +674,12 @@ syscall_event_drops:
 # periodic metric snapshots (including stats and resource utilization) captured
 # at regular intervals
 #
+# --- [Warning]
+#
+# Due to a regression (https://github.com/falcosecurity/falco/issues/2821) some metrics
+# like `falco.host_num_cpus` or `falco.start_ts` will not be available when you use
+# source plugins (like k8saudit).
+#
 # --- [Description]
 #
 # Consider these key points about the `metrics` feature in Falco: