diff --git a/sysutils/fswatch/Makefile b/sysutils/fswatch/Makefile
index 9863d5935e4..b3d46dbc823 100644
--- a/sysutils/fswatch/Makefile
+++ b/sysutils/fswatch/Makefile
@@ -1,9 +1,9 @@
 COMMENT =	file change monitor
 
 DISTNAME =	fswatch-${V}
-V =		1.17.1
+V =		1.18.3
 
-SHARED_LIBS +=	fswatch	0.0 # 13.0
+SHARED_LIBS +=	fswatch	0.1 # 13.0
 
 CATEGORIES =	sysutils
 
diff --git a/sysutils/fswatch/distinfo b/sysutils/fswatch/distinfo
index b18345fd1b8..a1acb7bbc2b 100644
--- a/sysutils/fswatch/distinfo
+++ b/sysutils/fswatch/distinfo
@@ -1,2 +1,2 @@
-SHA256 (fswatch-1.17.1.tar.gz) = w440HFZ/Xxa/pkty/Ei7pek4c9hXJSLmcObzILvCEi8=
-SIZE (fswatch-1.17.1.tar.gz) = 853852
+SHA256 (fswatch-1.18.3.tar.gz) = CLE8Dg+SvV7uWjELtY/Dc/DNqDBPnezDTPq8Qq346co=
+SIZE (fswatch-1.18.3.tar.gz) = 815588
diff --git a/sysutils/fswatch/patches/patch-libfswatch_src_libfswatch_c++_kqueue_monitor_cpp b/sysutils/fswatch/patches/patch-libfswatch_src_libfswatch_c++_kqueue_monitor_cpp
new file mode 100644
index 00000000000..f32b1da3a7c
--- /dev/null
+++ b/sysutils/fswatch/patches/patch-libfswatch_src_libfswatch_c++_kqueue_monitor_cpp
@@ -0,0 +1,12 @@
+Index: libfswatch/src/libfswatch/c++/kqueue_monitor.cpp
+--- libfswatch/src/libfswatch/c++/kqueue_monitor.cpp.orig
++++ libfswatch/src/libfswatch/c++/kqueue_monitor.cpp
+@@ -131,7 +131,7 @@ namespace fsw
+     nanoseconds *= 1000000000;
+ 
+     struct timespec ts{};
+-    ts.tv_sec = static_cast<__darwin_time_t>(seconds);
++    ts.tv_sec = seconds;
+     ts.tv_nsec = static_cast<long>(nanoseconds);
+ 
+     return ts;
diff --git a/sysutils/fswatch/pkg/PLIST b/sysutils/fswatch/pkg/PLIST
index 2395d1b105f..b9cf4faa185 100644
--- a/sysutils/fswatch/pkg/PLIST
+++ b/sysutils/fswatch/pkg/PLIST
@@ -6,8 +6,6 @@ include/libfswatch/c++/event.hpp
 include/libfswatch/c++/filter.hpp
 include/libfswatch/c++/kqueue_monitor.hpp
 include/libfswatch/c++/libfswatch_exception.hpp
-include/libfswatch/c++/libfswatch_map.hpp
-include/libfswatch/c++/libfswatch_set.hpp
 include/libfswatch/c++/monitor.hpp
 include/libfswatch/c++/monitor_factory.hpp
 include/libfswatch/c++/path_utils.hpp