diff --git a/README.md b/README.md
index 4b79e76..82cdf0a 100644
--- a/README.md
+++ b/README.md
@@ -115,6 +115,9 @@ Currently, this layer is still under continuous development.
   recipes relying on opencv need to activate the DISTRO\_FEATURE
   opengl.
 
+  rosbridge-library depends on python-six, which is provided in meta-python
+  since a36869c700bed940f7f0aa4b9703ae630dc84eac@meta-openembedded.
+
 ## INSTALLATION ##
 
   The repository contains a layer for ROS that builds on top of the
diff --git a/recipes-devtools/python/python-bson_0.4.1.bb b/recipes-devtools/python/python-bson_0.4.3.bb
similarity index 59%
rename from recipes-devtools/python/python-bson_0.4.1.bb
rename to recipes-devtools/python/python-bson_0.4.3.bb
index 8c11780..a528118 100644
--- a/recipes-devtools/python/python-bson_0.4.1.bb
+++ b/recipes-devtools/python/python-bson_0.4.3.bb
@@ -1,11 +1,11 @@
 DESCRIPTION = "Independent BSON codec for Python that doesn't depend on MongoDB"
 SECTION = "devel"
-LICENSE = "MIT"
+LICENSE = "BSD"
 LIC_FILES_CHKSUM = "file://LICENSE;md5=db7a1eab1d8b38da1e06abbf08d2498d"
 
-SRC_URI = "https://github.com/py-bson/bson/archive/${PV}.tar.gz;downloadfilename=py-bson_{PV}.tar.gz"
-SRC_URI[md5sum] = "9319364259c7b4eb77a218f7948f9fe8"
-SRC_URI[sha256sum] = "b84569685426374242dfc7d4fa08c9694951e85203d085c256866cf87dcb0b7e"
+SRC_URI = "https://github.com/py-bson/bson/archive/${PV}.tar.gz;downloadfilename=py-bson_${PV}.tar.gz"
+SRC_URI[md5sum] = "989acb13782d20c71b8bae03d600a6da"
+SRC_URI[sha256sum] = "dcdcf3e8a01ac13375faf791e1ed47ee178c0ec19332252ba539a3a131ca7739"
 
 S = "${WORKDIR}/bson-${PV}"
 
diff --git a/recipes-devtools/python/python-catkin-pkg_0.2.6.bb b/recipes-devtools/python/python-catkin-pkg_0.2.10.bb
similarity index 72%
rename from recipes-devtools/python/python-catkin-pkg_0.2.6.bb
rename to recipes-devtools/python/python-catkin-pkg_0.2.10.bb
index fe54e25..e08b0e5 100644
--- a/recipes-devtools/python/python-catkin-pkg_0.2.6.bb
+++ b/recipes-devtools/python/python-catkin-pkg_0.2.10.bb
@@ -5,8 +5,8 @@ LIC_FILES_CHKSUM = "file://PKG-INFO;beginline=8;endline=8;md5=e910b35b0ef4e1f665
 SRCNAME = "catkin_pkg"
 
 SRC_URI = "https://pypi.python.org/packages/source/c/catkin_pkg/catkin_pkg-${PV}.tar.gz"
-SRC_URI[md5sum] = "d1b82c9e3acd873e6a07e2c932f4bea4"
-SRC_URI[sha256sum] = "7d3d955ec1848565ccfee18e685cf1bd677cdd03283a00d22fb271e072aa48fa"
+SRC_URI[md5sum] = "da93566c65dddfa9f821e18944c5ee5e"
+SRC_URI[sha256sum] = "d4d069eaeb29d6a9ee71773b20c41515b6e0feb9ea2765ebaf3e599d0ceef050"
 
 S = "${WORKDIR}/${SRCNAME}-${PV}"
 
diff --git a/recipes-devtools/python/python-netifaces_0.10.4.bb b/recipes-devtools/python/python-netifaces_0.10.5.bb
similarity index 50%
rename from recipes-devtools/python/python-netifaces_0.10.4.bb
rename to recipes-devtools/python/python-netifaces_0.10.5.bb
index 669b9a2..82a63ac 100644
--- a/recipes-devtools/python/python-netifaces_0.10.4.bb
+++ b/recipes-devtools/python/python-netifaces_0.10.5.bb
@@ -4,9 +4,9 @@ LICENSE = "MIT"
 LIC_FILES_CHKSUM = "file://PKG-INFO;beginline=8;endline=8;md5=a53cbc7cb75660694e138ba973c148df"
 SRCNAME = "netifaces"
 
-SRC_URI = "https://pypi.python.org/packages/source/n/netifaces/${SRCNAME}-${PV}.tar.gz"
-SRC_URI[md5sum] = "36da76e2cfadd24cc7510c2c0012eb1e"
-SRC_URI[sha256sum] = "9656a169cb83da34d732b0eb72b39373d48774aee009a3d1272b7ea2ce109cde"
+SRC_URI = "https://pypi.python.org/packages/a7/4c/8e0771a59fd6e55aac993a7cc1b6a0db993f299514c464ae6a1ecf83b31d/netifaces-0.10.5.tar.gz"
+SRC_URI[md5sum] = "5b4d1f1310ed279e6df27ef3a9b71519"
+SRC_URI[sha256sum] = "59d8ad52dd3116fcb6635e175751b250dc783fb011adba539558bd764e5d628b"
 
 S = "${WORKDIR}/${SRCNAME}-${PV}"
 
diff --git a/recipes-devtools/python/python-pytz_2015.6.bb b/recipes-devtools/python/python-pytz_2015.6.bb
deleted file mode 100644
index a50b6c2..0000000
--- a/recipes-devtools/python/python-pytz_2015.6.bb
+++ /dev/null
@@ -1,12 +0,0 @@
-DESCRIPTION = "Python Timezone Library"
-SECTION = "devel"
-LICENSE = "MIT"
-LIC_FILES_CHKSUM = "file://LICENSE.txt;md5=22b38951eb857cf285a4560a914b7cd6"
-
-SRC_URI = "https://pypi.python.org/packages/source/p/pytz/pytz-${PV}.tar.gz;downloadfilename=pytz-{PV}.tar.gz"
-SRC_URI[md5sum] = "ff047a16dafeaa895bedef80a74c3728"
-SRC_URI[sha256sum] = "c598a6b6850dbcc00843651878e8282dac77c95e19d84847b6918eeb3ed8f0c2"
-
-S = "${WORKDIR}/pytz-${PV}"
-
-inherit setuptools
diff --git a/recipes-devtools/python/python-rosdep_0.11.0.bb b/recipes-devtools/python/python-rosdep_0.11.5.bb
similarity index 65%
rename from recipes-devtools/python/python-rosdep_0.11.0.bb
rename to recipes-devtools/python/python-rosdep_0.11.5.bb
index 3fa41c2..3ed088c 100644
--- a/recipes-devtools/python/python-rosdep_0.11.0.bb
+++ b/recipes-devtools/python/python-rosdep_0.11.5.bb
@@ -6,9 +6,9 @@ SRCNAME = "rosdep"
 
 DEPENDS = "python-nose"
 
-SRC_URI = "http://pypi.python.org/packages/source/r/rosdep/rosdep-${PV}.tar.gz"
-SRC_URI[md5sum] = "c1e3f200d9beddb5c70cc0a74ab47734"
-SRC_URI[sha256sum] = "6d043e1fb58d8b366f90b63ccfaff3140416bf1a6f4014bb3bb1b85af7a77073"
+SRC_URI = "http://download.ros.org/downloads/rosdep/rosdep-${PV}.tar.gz"
+SRC_URI[md5sum] = "2c5669bc5cafcb1df8cd21ce14844cc4"
+SRC_URI[sha256sum] = "46e072074270a1ea25411829814f4bdc1f34b358c950e9b8a7b75b4a40efd96a"
 
 S = "${WORKDIR}/${SRCNAME}-${PV}"
 
diff --git a/recipes-devtools/python/python-rosinstall_0.7.4.bb b/recipes-devtools/python/python-rosinstall_0.7.8.bb
similarity index 59%
rename from recipes-devtools/python/python-rosinstall_0.7.4.bb
rename to recipes-devtools/python/python-rosinstall_0.7.8.bb
index 1d1f67d..d663a23 100644
--- a/recipes-devtools/python/python-rosinstall_0.7.4.bb
+++ b/recipes-devtools/python/python-rosinstall_0.7.8.bb
@@ -4,9 +4,9 @@ LICENSE = "BSD"
 LIC_FILES_CHKSUM = "file://PKG-INFO;beginline=8;endline=8;md5=e910b35b0ef4e1f665b9a75d6afb7709"
 SRCNAME = "rosinstall"
 
-SRC_URI = "https://pypi.python.org/packages/source/r/rosinstall/rosinstall-${PV}.tar.gz"
-SRC_URI[md5sum] = "fd49a9cc6ede3d1bf4932effdac414e9"
-SRC_URI[sha256sum] = "65de7c1594e80799b2da68fc7c1d466bbec08a0cedd61437ae276e90f8cff411"
+SRC_URI = "http://download.ros.org/downloads/rosinstall/rosinstall-${PV}.tar.gz"
+SRC_URI[md5sum] = "b52ea80b199efdb94e35229eb427965f"
+SRC_URI[sha256sum] = "2ba808bf8bac2cc3f13af9745184b9714c1426e11d09eb96468611b2ad47ed40"
 
 S = "${WORKDIR}/${SRCNAME}-${PV}"
 
diff --git a/recipes-devtools/python/python-rospkg_1.0.38.bb b/recipes-devtools/python/python-rospkg_1.0.40.bb
similarity index 58%
rename from recipes-devtools/python/python-rospkg_1.0.38.bb
rename to recipes-devtools/python/python-rospkg_1.0.40.bb
index 3bececa..a446015 100644
--- a/recipes-devtools/python/python-rospkg_1.0.38.bb
+++ b/recipes-devtools/python/python-rospkg_1.0.40.bb
@@ -4,9 +4,9 @@ LICENSE = "BSD"
 LIC_FILES_CHKSUM = "file://PKG-INFO;beginline=8;endline=8;md5=e910b35b0ef4e1f665b9a75d6afb7709"
 SRCNAME = "rospkg"
 
-SRC_URI = "http://pypi.python.org/packages/source/r/rospkg/rospkg-${PV}.tar.gz"
-SRC_URI[md5sum] = "9953ac8a1e6c393ff27dcec8cb88feb5"
-SRC_URI[sha256sum] = "774b478fb7b2fe49733d40c120af785af898b838ef1a0082951351e0113b8c32"
+SRC_URI = "http://download.ros.org/downloads/rospkg/rospkg-${PV}.tar.gz"
+SRC_URI[md5sum] = "36fa86450a397cbe531b214e088d06b7"
+SRC_URI[sha256sum] = "ccd1d635319d41b79139b7336af64fc17a48a69ce0d728c1578c78f6350dbe1c"
 
 S = "${WORKDIR}/${SRCNAME}-${PV}"
 
diff --git a/recipes-devtools/python/python-six_1.10.0.bb b/recipes-devtools/python/python-six_1.10.0.bb
deleted file mode 100644
index feefdf0..0000000
--- a/recipes-devtools/python/python-six_1.10.0.bb
+++ /dev/null
@@ -1,15 +0,0 @@
-DESCRIPTION = "Six is a Python 2 and 3 compatibility library. It provides \
-  utility functions for smoothing over the differences between the Python \
-  versions with the goal of writing Python code that is compatible on both \
-  Python versions."
-SECTION = "devel"
-LICENSE = "MIT"
-LIC_FILES_CHKSUM = "file://LICENSE;md5=6f00d4a50713fa859858dd9abaa35b21"
-
-SRC_URI = "https://pypi.python.org/packages/source/s/six/six-${PV}.tar.gz;downloadfilename=six-{PV}.tar.gz"
-SRC_URI[md5sum] = "34eed507548117b2ab523ab14b2f8b55"
-SRC_URI[sha256sum] = "105f8d68616f8248e24bf0e9372ef04d3cc10104f1980f54d57b2ce73a5ad56a"
-
-S = "${WORKDIR}/six-${PV}"
-
-inherit setuptools
diff --git a/recipes-devtools/python/python-vcstools_0.1.36.bb b/recipes-devtools/python/python-vcstools_0.1.39.bb
similarity index 59%
rename from recipes-devtools/python/python-vcstools_0.1.36.bb
rename to recipes-devtools/python/python-vcstools_0.1.39.bb
index 929b9ce..40b1ce2 100644
--- a/recipes-devtools/python/python-vcstools_0.1.36.bb
+++ b/recipes-devtools/python/python-vcstools_0.1.39.bb
@@ -4,9 +4,9 @@ LICENSE = "BSD"
 LIC_FILES_CHKSUM = "file://PKG-INFO;beginline=8;endline=8;md5=e910b35b0ef4e1f665b9a75d6afb7709"
 SRCNAME = "vcstools"
 
-SRC_URI = "https://pypi.python.org/packages/source/v/vcstools/vcstools-${PV}.tar.gz"
-SRC_URI[md5sum] = "e3ef997da464cf284ca36fd60e993ed6"
-SRC_URI[sha256sum] = "83b38c3f055454590333debdb6db23b3f5ed694e6a27fb506e8639bf87a4d61e"
+SRC_URI = "http://download.ros.org/downloads/vcstools/vcstools-${PV}.tar.gz"
+SRC_URI[md5sum] = "ae2f802460458142727d69c46315ae54"
+SRC_URI[sha256sum] = "80c5bef67d9b4933b962565bd9b012d001a44b72b9157da3623ace980213427e"
 
 S = "${WORKDIR}/${SRCNAME}-${PV}"
 
diff --git a/recipes-devtools/python/python-wstool_0.1.5.bb b/recipes-devtools/python/python-wstool_0.1.13.bb
similarity index 59%
rename from recipes-devtools/python/python-wstool_0.1.5.bb
rename to recipes-devtools/python/python-wstool_0.1.13.bb
index 82e427a..6a0ac6c 100644
--- a/recipes-devtools/python/python-wstool_0.1.5.bb
+++ b/recipes-devtools/python/python-wstool_0.1.13.bb
@@ -4,9 +4,9 @@ LICENSE = "BSD"
 LIC_FILES_CHKSUM = "file://PKG-INFO;beginline=8;endline=8;md5=e910b35b0ef4e1f665b9a75d6afb7709"
 SRCNAME = "wstool"
 
-SRC_URI = "http://pypi.python.org/packages/source/w/wstool/wstool-${PV}.tar.gz"
-SRC_URI[md5sum] = "2b5d10fac0bb644146a8c3009e5aa14b"
-SRC_URI[sha256sum] = "0c65719af85247e5fcdf07ad2ad50eac3268cf1ca7ba9c9c43037d345de88de8"
+SRC_URI = "http://download.ros.org/downloads/wstool/wstool-${PV}.tar.gz"
+SRC_URI[md5sum] = "7e41a0e4f92389a6b4e115c80dd5cf10"
+SRC_URI[sha256sum] = "4eaed3f94bf7842a2076de6dbef9396a8dbf055a13eee313366818465a270244"
 
 S = "${WORKDIR}/${SRCNAME}-${PV}"
 
diff --git a/recipes-devtools/yaml-cpp/yaml-cpp_0.5.2.bb b/recipes-devtools/yaml-cpp/yaml-cpp_0.5.3.bb
similarity index 63%
rename from recipes-devtools/yaml-cpp/yaml-cpp_0.5.2.bb
rename to recipes-devtools/yaml-cpp/yaml-cpp_0.5.3.bb
index e963846..0a05595 100644
--- a/recipes-devtools/yaml-cpp/yaml-cpp_0.5.2.bb
+++ b/recipes-devtools/yaml-cpp/yaml-cpp_0.5.3.bb
@@ -2,7 +2,7 @@ DESCRIPTION = "yaml-cpp is a YAML parser and emitter in C++ matching the YAML 1.
 HOMEPAGE = "https://github.com/jbeder/yaml-cpp/"
 SECTION = "libs"
 LICENSE = "MIT"
-LIC_FILES_CHKSUM = "file://license.txt;md5=7c6a629da965ebdfba9f6fdb76ab8ab4"
+LIC_FILES_CHKSUM = "file://LICENSE;md5=6a8aaf0595c2efc1a9c2e0913e9c1a2c"
 
 DEPENDS = "boost"
 
@@ -11,8 +11,8 @@ PR = "r0"
 S = "${WORKDIR}/yaml-cpp-release-${PV}"
 
 SRC_URI = "https://github.com/jbeder/yaml-cpp/archive/release-${PV}.tar.gz"
-SRC_URI[md5sum] = "2728af8a15e2b2c407730c45b99b274b"
-SRC_URI[sha256sum] = "6fb92f6f5925e0af918ffbb90acf19b7b88706ebcd40fc186b7caa76609b6350"
+SRC_URI[md5sum] = "64200ca0bf5e0af065804d8d3e8f6d42"
+SRC_URI[sha256sum] = "ac50a27a201d16dc69a881b80ad39a7be66c4d755eda1f76c3a68781b922af8f"
 
 EXTRA_OECMAKE = "-DBUILD_SHARED_LIBS=ON"
 
diff --git a/recipes-ros/rosbridge-suite/rosbridge-library_0.7.16.bb b/recipes-ros/rosbridge-suite/rosbridge-library_0.7.16.bb
index 66b4238..c2a859a 100644
--- a/recipes-ros/rosbridge-suite/rosbridge-library_0.7.16.bb
+++ b/recipes-ros/rosbridge-suite/rosbridge-library_0.7.16.bb
@@ -3,6 +3,6 @@ SECTION = "devel"
 LICENSE = "BSD"
 LIC_FILES_CHKSUM = "file://package.xml;beginline=10;endline=10;md5=68b329da9893e34099c7d8ad5cb9c940"
 
-DEPENDS = "message-generation std-msgs geometry-msgs rospy python-six python-bson python-pytz"
+DEPENDS = "message-generation std-msgs geometry-msgs rospy python-six python-bson"
 
 require rosbridge-suite.inc