diff --git a/dev-libs/libmodbus/libmodbus-3.0.8.recipe b/dev-libs/libmodbus/libmodbus-3.1.6.recipe
similarity index 94%
rename from dev-libs/libmodbus/libmodbus-3.0.8.recipe
rename to dev-libs/libmodbus/libmodbus-3.1.6.recipe
index 3e5dadc71..5bda20618 100644
--- a/dev-libs/libmodbus/libmodbus-3.0.8.recipe
+++ b/dev-libs/libmodbus/libmodbus-3.1.6.recipe
@@ -16,12 +16,12 @@ COPYRIGHT="Stéphane Raimbault
 LICENSE="GNU LGPL v2.1"
 REVISION="1"
 SOURCE_URI="https://github.com/stephane/libmodbus/archive/v$portVersion.tar.gz"
-CHECKSUM_SHA256="0e236c3d4fe0a7a3f7c6292a3d1183c584b03bb06154e0b95e71bc763559ac5d"
+CHECKSUM_SHA256="fe0c141cd10d58bb848643f00f2d4b4005214f93312d7b66ac805fd369876651"
 
 ARCHITECTURES="x86_gcc2 x86 x86_64"
 SECONDARY_ARCHITECTURES="x86"
 
-libVersion="5.0.5"
+libVersion="5.1.0"
 libVersionCompat="$libVersion compat >= ${libVersion%.*}"
 
 PROVIDES="