-# urcu - check that URCU lib is at least version 0.5.5
-AC_CHECK_LIB([urcu-bp], [call_rcu_bp], [], [AC_MSG_ERROR([liburcu 0.5.5 or newer is needed, please update your version or use [LDFLAGS]=-Ldir to specify the right location.])])
+# urcu - check that URCU lib is at least version 0.6
+AC_CHECK_LIB([urcu-bp], [call_rcu_bp], [], [AC_MSG_ERROR([liburcu 0.6 or newer is needed, please update your version or use [LDFLAGS]=-Ldir to specify the right location.])])