diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2b35962b3..ce95a4f9d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -44,8 +44,8 @@ set(TR_NAME ${PROJECT_NAME})
 #         "Z" for unsupported trunk builds,
 #         "0" for stable, supported releases
 # these should be the only two lines you need to change
-set(TR_USER_AGENT_PREFIX "2.94+")
-set(TR_PEER_ID_PREFIX "-TR294Z-")
+set(TR_USER_AGENT_PREFIX "3.00+")
+set(TR_PEER_ID_PREFIX "-TR300Z-")
 
 string(REGEX MATCH "^([0-9]+)\\.([0-9]+).*" TR_VERSION "${TR_USER_AGENT_PREFIX}")
 set(TR_VERSION_MAJOR "${CMAKE_MATCH_1}")
diff --git a/configure.ac b/configure.ac
index d07b09cab..2052c9730 100644
--- a/configure.ac
+++ b/configure.ac
@@ -3,8 +3,8 @@ dnl STATUS: "X" for prerelease beta builds,
 dnl         "Z" for unsupported trunk builds,
 dnl         "0" for stable, supported releases
 dnl these should be the only two lines you need to change
-m4_define([user_agent_prefix],[2.94+])
-m4_define([peer_id_prefix],[-TR294Z-])
+m4_define([user_agent_prefix],[3.00+])
+m4_define([peer_id_prefix],[-TR300Z-])
 
 AC_INIT([transmission],[user_agent_prefix],[https://github.com/transmission/transmission])
 AC_SUBST(USERAGENT_PREFIX,[user_agent_prefix])