diff --git a/config.h b/config.h
index a1504ed..67eea06 100755
--- a/config.h
+++ b/config.h
@@ -28,8 +28,18 @@ static const Rule rules[] = {
 	 *	WM_NAME(STRING) = title
 	 */
 	/* class      instance    title       tags mask     isfloating   monitor */
-	{ "Gimp",     NULL,       NULL,       0,            1,           -1 },
-	{ "Firefox",  NULL,       NULL,       1 << 8,       0,           -1 },
+	{ "Chromium",             NULL, NULL,               0,             0,           -1 },
+	{ "chromium",             NULL, NULL,               0,             0,           -1 },
+	{ "KeePassXC",            NULL, NULL,          1 << 1,            0,          -1 },
+	{ "keepassxc",            NULL, NULL,          1 << 1,            0,          -1 },
+	{ "thunderbird",          NULL, NULL,          1 << 2,            0,          -1 },
+	{ "Thunderbird",          NULL, NULL,          1 << 2,            0,          -1 },
+	{ "Element",              NULL, NULL,          1 << 3,            0,          -1 },
+	{ "element-desktop",              NULL, NULL,          1 << 3,            0,          -1 },
+	{ "Discord",              NULL, NULL,          1 << 4,            0,          -1 },
+	{ "discord",              NULL, NULL,          1 << 4,            0,          -1 },
+	{ "Krita",              NULL, NULL,            1 << 5,            0,          -1 },
+	{ "krita",              NULL, NULL,            1 << 5,            0,          -1 },
 };
 
 /* layout(s) */
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diff --git a/dwm.o b/dwm.o
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diff --git a/util.o b/util.o
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