diff --git a/apps/webbrowser/http-user-agent-string b/apps/webbrowser/http-user-agent-string
index ad3f0f23757ae92a7dcb58b8c5b4b9c1d9427283..bef8d4f34cc60e9c1d5da71f38d7a3c240f6f697 100644
--- a/apps/webbrowser/http-user-agent-string
+++ b/apps/webbrowser/http-user-agent-string
@@ -1 +1 @@
-http_user_agent_fields "Connection: close\r\nUser-Agent: Contiki/2.6 (; http://www.contiki-os.org/)\r\n\r\n"
+http_user_agent_fields "Connection: close\r\nUser-Agent: Contiki/2.7 (; http://www.contiki-os.org/)\r\n\r\n"
diff --git a/apps/webbrowser/http-user-agent-string.c b/apps/webbrowser/http-user-agent-string.c
index 4b0b060863661dae95986269ab178c857589c319..cd0f32b837195ebfe423c1b5e31f80f6c4ed1bc5 100644
--- a/apps/webbrowser/http-user-agent-string.c
+++ b/apps/webbrowser/http-user-agent-string.c
@@ -1,3 +1,3 @@
 const char http_user_agent_fields[78] = 
-/* "Connection: close\r\nUser-Agent: Contiki/2.6 (; http://www.contiki-os.org/)\r\n\r\n" */
-{0x43, 0x6f, 0x6e, 0x6e, 0x65, 0x63, 0x74, 0x69, 0x6f, 0x6e, 0x3a, 0x20, 0x63, 0x6c, 0x6f, 0x73, 0x65, 0xd, 0xa, 0x55, 0x73, 0x65, 0x72, 0x2d, 0x41, 0x67, 0x65, 0x6e, 0x74, 0x3a, 0x20, 0x43, 0x6f, 0x6e, 0x74, 0x69, 0x6b, 0x69, 0x2f, 0x32, 0x2e, 0x36, 0x20, 0x28, 0x3b, 0x20, 0x68, 0x74, 0x74, 0x70, 0x3a, 0x2f, 0x2f, 0x77, 0x77, 0x77, 0x2e, 0x63, 0x6f, 0x6e, 0x74, 0x69, 0x6b, 0x69, 0x2d, 0x6f, 0x73, 0x2e, 0x6f, 0x72, 0x67, 0x2f, 0x29, 0xd, 0xa, 0xd, 0xa, };
+/* "Connection: close\r\nUser-Agent: Contiki/2.7 (; http://www.contiki-os.org/)\r\n\r\n" */
+{0x43, 0x6f, 0x6e, 0x6e, 0x65, 0x63, 0x74, 0x69, 0x6f, 0x6e, 0x3a, 0x20, 0x63, 0x6c, 0x6f, 0x73, 0x65, 0xd, 0xa, 0x55, 0x73, 0x65, 0x72, 0x2d, 0x41, 0x67, 0x65, 0x6e, 0x74, 0x3a, 0x20, 0x43, 0x6f, 0x6e, 0x74, 0x69, 0x6b, 0x69, 0x2f, 0x32, 0x2e, 0x37, 0x20, 0x28, 0x3b, 0x20, 0x68, 0x74, 0x74, 0x70, 0x3a, 0x2f, 0x2f, 0x77, 0x77, 0x77, 0x2e, 0x63, 0x6f, 0x6e, 0x74, 0x69, 0x6b, 0x69, 0x2d, 0x6f, 0x73, 0x2e, 0x6f, 0x72, 0x67, 0x2f, 0x29, 0xd, 0xa, 0xd, 0xa, };
diff --git a/apps/webserver/http-strings b/apps/webserver/http-strings
index 7a3d51c0319561a4e501d4882ea7a37dd293ba78..ce7222f8369234ae1073d7f0f6c466b3673101c1 100644
--- a/apps/webserver/http-strings
+++ b/apps/webserver/http-strings
@@ -13,8 +13,8 @@ http_index_htm "/index.htm"
 http_index_html "/index.html"
 http_404_html "/404.html"
 http_referer "Referer:"
-http_header_200 "HTTP/1.0 200 OK\r\nServer: Contiki/2.6 http://www.contiki-os.org/\r\nConnection: close\r\n"
-http_header_404 "HTTP/1.0 404 Not found\r\nServer: Contiki/2.6 http://www.contiki-os.org/\r\nConnection: close\r\n"
+http_header_200 "HTTP/1.0 200 OK\r\nServer: Contiki/2.7 http://www.contiki-os.org/\r\nConnection: close\r\n"
+http_header_404 "HTTP/1.0 404 Not found\r\nServer: Contiki/2.7 http://www.contiki-os.org/\r\nConnection: close\r\n"
 http_content_type_plain "Content-type: text/plain\r\n\r\n"
 http_content_type_html "Content-type: text/html\r\n\r\n"
 http_content_type_css  "Content-type: text/css\r\n\r\n"
diff --git a/apps/webserver/http-strings.c b/apps/webserver/http-strings.c
index 5c02fedefae56e3bb9c26fcf69f3c0d46217ba8f..0e79775f7c30f0b1989cddbaee0427be97c4503d 100644
--- a/apps/webserver/http-strings.c
+++ b/apps/webserver/http-strings.c
@@ -44,11 +44,11 @@ const char http_referer[9] =
 /* "Referer:" */
 {0x52, 0x65, 0x66, 0x65, 0x72, 0x65, 0x72, 0x3a, };
 const char http_header_200[85] = 
-/* "HTTP/1.0 200 OK\r\nServer: Contiki/2.6 http://www.contiki-os.org/\r\nConnection: close\r\n" */
-{0x48, 0x54, 0x54, 0x50, 0x2f, 0x31, 0x2e, 0x30, 0x20, 0x32, 0x30, 0x30, 0x20, 0x4f, 0x4b, 0xd, 0xa, 0x53, 0x65, 0x72, 0x76, 0x65, 0x72, 0x3a, 0x20, 0x43, 0x6f, 0x6e, 0x74, 0x69, 0x6b, 0x69, 0x2f, 0x32, 0x2e, 0x36, 0x20, 0x68, 0x74, 0x74, 0x70, 0x3a, 0x2f, 0x2f, 0x77, 0x77, 0x77, 0x2e, 0x63, 0x6f, 0x6e, 0x74, 0x69, 0x6b, 0x69, 0x2d, 0x6f, 0x73, 0x2e, 0x6f, 0x72, 0x67, 0x2f, 0xd, 0xa, 0x43, 0x6f, 0x6e, 0x6e, 0x65, 0x63, 0x74, 0x69, 0x6f, 0x6e, 0x3a, 0x20, 0x63, 0x6c, 0x6f, 0x73, 0x65, 0xd, 0xa, };
+/* "HTTP/1.0 200 OK\r\nServer: Contiki/2.7 http://www.contiki-os.org/\r\nConnection: close\r\n" */
+{0x48, 0x54, 0x54, 0x50, 0x2f, 0x31, 0x2e, 0x30, 0x20, 0x32, 0x30, 0x30, 0x20, 0x4f, 0x4b, 0xd, 0xa, 0x53, 0x65, 0x72, 0x76, 0x65, 0x72, 0x3a, 0x20, 0x43, 0x6f, 0x6e, 0x74, 0x69, 0x6b, 0x69, 0x2f, 0x32, 0x2e, 0x37, 0x20, 0x68, 0x74, 0x74, 0x70, 0x3a, 0x2f, 0x2f, 0x77, 0x77, 0x77, 0x2e, 0x63, 0x6f, 0x6e, 0x74, 0x69, 0x6b, 0x69, 0x2d, 0x6f, 0x73, 0x2e, 0x6f, 0x72, 0x67, 0x2f, 0xd, 0xa, 0x43, 0x6f, 0x6e, 0x6e, 0x65, 0x63, 0x74, 0x69, 0x6f, 0x6e, 0x3a, 0x20, 0x63, 0x6c, 0x6f, 0x73, 0x65, 0xd, 0xa, };
 const char http_header_404[92] = 
-/* "HTTP/1.0 404 Not found\r\nServer: Contiki/2.6 http://www.contiki-os.org/\r\nConnection: close\r\n" */
-{0x48, 0x54, 0x54, 0x50, 0x2f, 0x31, 0x2e, 0x30, 0x20, 0x34, 0x30, 0x34, 0x20, 0x4e, 0x6f, 0x74, 0x20, 0x66, 0x6f, 0x75, 0x6e, 0x64, 0xd, 0xa, 0x53, 0x65, 0x72, 0x76, 0x65, 0x72, 0x3a, 0x20, 0x43, 0x6f, 0x6e, 0x74, 0x69, 0x6b, 0x69, 0x2f, 0x32, 0x2e, 0x36, 0x20, 0x68, 0x74, 0x74, 0x70, 0x3a, 0x2f, 0x2f, 0x77, 0x77, 0x77, 0x2e, 0x63, 0x6f, 0x6e, 0x74, 0x69, 0x6b, 0x69, 0x2d, 0x6f, 0x73, 0x2e, 0x6f, 0x72, 0x67, 0x2f, 0xd, 0xa, 0x43, 0x6f, 0x6e, 0x6e, 0x65, 0x63, 0x74, 0x69, 0x6f, 0x6e, 0x3a, 0x20, 0x63, 0x6c, 0x6f, 0x73, 0x65, 0xd, 0xa, };
+/* "HTTP/1.0 404 Not found\r\nServer: Contiki/2.7 http://www.contiki-os.org/\r\nConnection: close\r\n" */
+{0x48, 0x54, 0x54, 0x50, 0x2f, 0x31, 0x2e, 0x30, 0x20, 0x34, 0x30, 0x34, 0x20, 0x4e, 0x6f, 0x74, 0x20, 0x66, 0x6f, 0x75, 0x6e, 0x64, 0xd, 0xa, 0x53, 0x65, 0x72, 0x76, 0x65, 0x72, 0x3a, 0x20, 0x43, 0x6f, 0x6e, 0x74, 0x69, 0x6b, 0x69, 0x2f, 0x32, 0x2e, 0x37, 0x20, 0x68, 0x74, 0x74, 0x70, 0x3a, 0x2f, 0x2f, 0x77, 0x77, 0x77, 0x2e, 0x63, 0x6f, 0x6e, 0x74, 0x69, 0x6b, 0x69, 0x2d, 0x6f, 0x73, 0x2e, 0x6f, 0x72, 0x67, 0x2f, 0xd, 0xa, 0x43, 0x6f, 0x6e, 0x6e, 0x65, 0x63, 0x74, 0x69, 0x6f, 0x6e, 0x3a, 0x20, 0x63, 0x6c, 0x6f, 0x73, 0x65, 0xd, 0xa, };
 const char http_content_type_plain[29] = 
 /* "Content-type: text/plain\r\n\r\n" */
 {0x43, 0x6f, 0x6e, 0x74, 0x65, 0x6e, 0x74, 0x2d, 0x74, 0x79, 0x70, 0x65, 0x3a, 0x20, 0x74, 0x65, 0x78, 0x74, 0x2f, 0x70, 0x6c, 0x61, 0x69, 0x6e, 0xd, 0xa, 0xd, 0xa, };
diff --git a/core/contiki-version.h b/core/contiki-version.h
index ee2964821997742e776d5585ad5da41b1d503657..f3f9473beaebcd6dfac684be84f2871d166f5652 100644
--- a/core/contiki-version.h
+++ b/core/contiki-version.h
@@ -35,7 +35,7 @@
 #define __CONTIKI_VERSION__
 
 #ifndef CONTIKI_VERSION_STRING
-#define CONTIKI_VERSION_STRING "Contiki 2.6"
+#define CONTIKI_VERSION_STRING "Contiki 2.7"
 #endif /* CONTIKI_VERSION_STRING */
 
 #endif /* __CONTIKI_VERSION__ */
diff --git a/doc/Doxyfile b/doc/Doxyfile
index 975c7bd3d87a4e4cc6d24f706f29d9e373127a0e..eef3e673d74013ae9a0702c5a98cea9b48caba03 100644
--- a/doc/Doxyfile
+++ b/doc/Doxyfile
@@ -26,7 +26,7 @@ DOXYFILE_ENCODING      = UTF-8
 # identify the project. Note that if you do not use Doxywizard you need
 # to put quotes around the project name if it contains spaces.
 
-PROJECT_NAME           = "Contiki 2.6"
+PROJECT_NAME           = "Contiki 2.7"
 
 # The PROJECT_NUMBER tag can be used to enter a project or revision number.
 # This could be handy for archiving the generated documentation or
diff --git a/tools/release-tools/README.md b/tools/release-tools/README.md
index 29d2fe51986933930a802d80a4a84b428b02c5a4..95c658a274e302e4acf94b2b444f80c7326429e1 100644
--- a/tools/release-tools/README.md
+++ b/tools/release-tools/README.md
@@ -4,9 +4,9 @@ Release tools
 The tools/release-tools directory contains files for building and testing
 Contiki releases. To compile a release of Contiki, run
 
-  make RELEASE=2.6
+  make RELEASE=2.7
 
-for Contiki 2.6. It is also possible to compile a release of a specific git tag
+for Contiki 2.7. It is also possible to compile a release of a specific git tag
 or other non-numbered version, such as the current git HEAD, like this:
 
   make TAG=HEAD