tidyverse
diff --git a/‎NEWS.md
+2 b/‎NEWS.md
+2
diff --git a/‎R/guide-colorbar.r
+1-1 b/‎R/guide-colorbar.r
+1-1
diff --git a/‎man/guide_colourbar.Rd
+2-2 b/‎man/guide_colourbar.Rd
+2-2
diff --git a/‎tests/figs/geom-raster/1-x-3-just-0-0.svg
+13-13 b/‎tests/figs/geom-raster/1-x-3-just-0-0.svg
+13-13
diff --git a/‎tests/figs/geom-raster/1-x-3-set-limits.svg
+13-13 b/‎tests/figs/geom-raster/1-x-3-set-limits.svg
+13-13
@@ -82,6 +82,8 @@
 
 * Fix a bug when `show.legend` is a named logical vector (#3461, @yutannihilation).
 
+* Increase the default `nbin` of `guide_colourbar()` to place the ticks more precisely (#3508, @yutannihilation).
+
 # ggplot2 3.2.1
 
 This is a patch release fixing a few regressions introduced in 3.2.0 as well as
 
@@ -116,7 +116,7 @@ guide_colourbar <- function(
   # bar
   barwidth = NULL,
   barheight = NULL,
-  nbin = 20,
+  nbin = 300,
   raster = TRUE,
 
   # frame