diff --git a/docs/releases.txt b/docs/releases.txt
index e0c47c4a..31fe2843 100644
--- a/docs/releases.txt
+++ b/docs/releases.txt
@@ -10,6 +10,7 @@ FEATURE:	Added Linux-Framebuffer board definition
 FEATURE:	Added FatFS support for GFILE
 FEATURE:	Added gfileMount() and gfileUnmount()
 FEATURE:	Added gfileSync()
+FEATURE:	Added gwinDrawThickLine()
 
 
 *** Release 2.1 ***
diff --git a/src/gwin/gwin.c b/src/gwin/gwin.c
index e1625b13..ab2e2981 100644
--- a/src/gwin/gwin.c
+++ b/src/gwin/gwin.c
@@ -226,6 +226,12 @@ void gwinDrawLine(GHandle gh, coord_t x0, coord_t y0, coord_t x1, coord_t y1) {
 	_gwinDrawEnd(gh);
 }
 
+void gwinDrawThickLine(GHandle gh, coord_t x0, coord_t y0, coord_t x1, coord_t y1, coord_t width, bool_t round) {
+	if (!_gwinDrawStart(gh)) return;
+	gdispGDrawThickLine(gh->display, gh->x+x0, gh->y+y0, gh->x+x1, gh->y+y1, gh->color, width, round);
+	_gwinDrawEnd(gh);
+}
+
 void gwinDrawBox(GHandle gh, coord_t x, coord_t y, coord_t cx, coord_t cy) {
 	if (!_gwinDrawStart(gh)) return;
 	gdispGDrawBox(gh->display, gh->x+x, gh->y+y, cx, cy, gh->color);
diff --git a/src/gwin/sys_defs.h b/src/gwin/sys_defs.h
index 830827b2..169b4498 100644
--- a/src/gwin/sys_defs.h
+++ b/src/gwin/sys_defs.h
@@ -600,6 +600,24 @@ extern "C" {
 	 */
 	void gwinDrawLine(GHandle gh, coord_t x0, coord_t y0, coord_t x1, coord_t y1);
 
+	/**
+	 * @brief	Draw a thick line in the window
+	 * @details	The line thickness is specified in pixels. The line ends can
+	 *		be selected to be either flat or round.
+	 * @note	Uses gdispGFillConvexPoly() internally to perform the drawing.
+	 * @note	Uses the current foreground color to draw the line
+	 * 
+	 * @param[in] gh		The window handle
+	 * @param[in] x0,y0		The start position
+	 * @param[in] x1,y1		The end position
+	 * @param[in] color		The color to use
+	 * @param[in] width		The width of the line
+	 * @param[in] round		Use round ends for the line
+	 * 
+	 * @api
+	 */
+	void gwinDrawThickLine(GHandle gh, coord_t x0, coord_t y0, coord_t x1, coord_t y1, coord_t width, bool_t round);
+
 	/**
 	 * @brief   Draw a box in the window
 	 * @note	Uses the current foreground color to draw the box