diff --git a/chaincfg/params.go b/chaincfg/params.go
index 59d61fcb..451683de 100644
--- a/chaincfg/params.go
+++ b/chaincfg/params.go
@@ -383,6 +383,16 @@ var TestNet3Params = Params{
 	// Checkpoints ordered from oldest to newest.
 	Checkpoints: []Checkpoint{
 		{546, newHashFromStr("000000002a936ca763904c3c35fce2f3556c559c0214345d31b1bcebf76acb70")},
+		{100000, newHashFromStr("00000000009e2958c15ff9290d571bf9459e93b19765c6801ddeccadbb160a1e")},
+		{200000, newHashFromStr("0000000000287bffd321963ef05feab753ebe274e1d78b2fd4e2bfe9ad3aa6f2")},
+		{300001, newHashFromStr("0000000000004829474748f3d1bc8fcf893c88be255e6d7f571c548aff57abf4")},
+		{400002, newHashFromStr("0000000005e2c73b8ecb82ae2dbc2e8274614ebad7172b53528aba7501f5a089")},
+		{500011, newHashFromStr("00000000000929f63977fbac92ff570a9bd9e7715401ee96f2848f7b07750b02")},
+		{600002, newHashFromStr("000000000001f471389afd6ee94dcace5ccc44adc18e8bff402443f034b07240")},
+		{700000, newHashFromStr("000000000000406178b12a4dea3b27e13b3c4fe4510994fd667d7c1e6a3f4dc1")},
+		{800010, newHashFromStr("000000000017ed35296433190b6829db01e657d80631d43f5983fa403bfdb4c1")},
+		{900000, newHashFromStr("0000000000356f8d8924556e765b7a94aaebc6b5c8685dcfa2b1ee8b41acd89b")},
+		{1000007, newHashFromStr("00000000001ccb893d8a1f25b70ad173ce955e5f50124261bbbc50379a612ddf")},
 	},
 
 	// Consensus rule change deployments.