diff --git a/rules/mpdecimal.mk b/rules/mpdecimal.mk
index 849c6505719..816bd93e9ab 100644
--- a/rules/mpdecimal.mk
+++ b/rules/mpdecimal.mk
@@ -1,7 +1,7 @@
 # mpdecimal package
 
 MPDECIMAL_VERSION = 2.4.2
-MPDECIMAL_VERSION_FULL = $(MPDECIMAL_VERSION)-1
+MPDECIMAL_VERSION_FULL = $(MPDECIMAL_VERSION)-2
 
 export MPDECIMAL_VERSION MPDECIMAL_VERSION_FULL