diff --git a/meta-openembedded/meta-networking/recipes-connectivity/nanomsg/nanomsg_1.1.5.bb b/meta-openembedded/meta-networking/recipes-connectivity/nanomsg/nanomsg_1.1.5.bb
index 750b252..3c2ab98 100644
--- a/meta-openembedded/meta-networking/recipes-connectivity/nanomsg/nanomsg_1.1.5.bb
+++ b/meta-openembedded/meta-networking/recipes-connectivity/nanomsg/nanomsg_1.1.5.bb
@@ -9,7 +9,7 @@
 
 SECTION = "libs/networking"
 
-SRC_URI = "git://github.com/nanomsg/nanomsg.git;protocol=https"
+SRC_URI = "git://github.com/nanomsg/nanomsg.git;protocol=https;branch=master"
 SRCREV = "1749fd7b039165a91b8d556b4df18e3e632ad830"
 
 S = "${WORKDIR}/git"
diff --git a/meta-openembedded/meta-networking/recipes-connectivity/nanomsg/nng_1.5.2.bb b/meta-openembedded/meta-networking/recipes-connectivity/nanomsg/nng_1.5.2.bb
index 1ffd891..ab29071 100644
--- a/meta-openembedded/meta-networking/recipes-connectivity/nanomsg/nng_1.5.2.bb
+++ b/meta-openembedded/meta-networking/recipes-connectivity/nanomsg/nng_1.5.2.bb
@@ -5,7 +5,7 @@
 LICENSE = "MIT"
 LIC_FILES_CHKSUM = "file://LICENSE.txt;md5=a41e579bb4326c21c774f8e51e41d8a3"
 
-SRC_URI = "git://github.com/nanomsg/nng.git"
+SRC_URI = "git://github.com/nanomsg/nng.git;branch=master;protocol=https"
 SRCREV = "169221da8d53b2ca4fda76f894bee8505887a7c6"
 
 S = "${WORKDIR}/git"
diff --git a/meta-openembedded/meta-networking/recipes-connectivity/nanomsg/nngpp_git.bb b/meta-openembedded/meta-networking/recipes-connectivity/nanomsg/nngpp_git.bb
index 176fa3b..b521540 100644
--- a/meta-openembedded/meta-networking/recipes-connectivity/nanomsg/nngpp_git.bb
+++ b/meta-openembedded/meta-networking/recipes-connectivity/nanomsg/nngpp_git.bb
@@ -7,7 +7,7 @@
 SRCREV = "cc5d2641babab165d8a9943817c46d36c6dc17c2"
 PV = "1.3.0"
 
-SRC_URI = "git://github.com/cwzx/nngpp"
+SRC_URI = "git://github.com/cwzx/nngpp;branch=master;protocol=https"
 
 S = "${WORKDIR}/git"