diff --git a/MdePkg/Library/PeiPcdLib/PeiPcdLib.inf b/MdePkg/Library/PeiPcdLib/PeiPcdLib.inf
index d533af947f..28dfa794aa 100644
--- a/MdePkg/Library/PeiPcdLib/PeiPcdLib.inf
+++ b/MdePkg/Library/PeiPcdLib/PeiPcdLib.inf
@@ -48,3 +48,6 @@
 
 [Ppis]
   gPcdPpiGuid                                   # PPI ALWAYS_CONSUMED
+
+[depex]
+  gPcdPpiGuid