diff --git a/data/theme/gnome-shell-sass/widgets/_app-grid.scss b/data/theme/gnome-shell-sass/widgets/_app-grid.scss
index d239d17e3..740e90ce6 100644
--- a/data/theme/gnome-shell-sass/widgets/_app-grid.scss
+++ b/data/theme/gnome-shell-sass/widgets/_app-grid.scss
@@ -121,6 +121,7 @@ $app_icon_size: 96px;
     height: 10px;
     border-radius: 10px; // the same as height&width
     background-color: white;
+    transition-duration: 400ms;
   }
 }
 
@@ -167,6 +168,7 @@ $app_icon_size: 96px;
   width: 24px;
   height: 24px;
   border-radius: 99px;
+  transition-duration: 100ms;
 
   > StIcon { color: $system_fg_color;}
 
diff --git a/data/theme/gnome-shell-sass/widgets/_calendar.scss b/data/theme/gnome-shell-sass/widgets/_calendar.scss
index 1221231c6..ebe169592 100644
--- a/data/theme/gnome-shell-sass/widgets/_calendar.scss
+++ b/data/theme/gnome-shell-sass/widgets/_calendar.scss
@@ -56,6 +56,7 @@
       width: 32px;
       margin: 2px;
       border-radius: $base_border_radius;
+      transition-duration: 100ms;
     }
   }