diff --git a/pkg/nanopb/Makefile b/pkg/nanopb/Makefile
index b51001a76c..57775fd574 100644
--- a/pkg/nanopb/Makefile
+++ b/pkg/nanopb/Makefile
@@ -1,7 +1,6 @@
 PKG_NAME=nanopb
 PKG_URL=https://github.com/nanopb/nanopb
-# 0.4.8
-PKG_VERSION=6cfe48d6f1593f8fa5c0f90437f5e6522587745e
+PKG_VERSION=nanopb-0.4.9.1
 PKG_LICENSE=MIT
 
 include $(RIOTBASE)/pkg/pkg.mk