diff --git a/chaincfg/params.go b/chaincfg/params.go
index 451683de..fba88cc1 100644
--- a/chaincfg/params.go
+++ b/chaincfg/params.go
@@ -85,6 +85,11 @@ const (
 	// purposes.
 	DeploymentTestDummy = iota
 
+	// DeploymentCSV defines the rule change deployment ID for the CSV
+	// soft-fork package. The CSV package includes the depolyment of BIPS
+	// 68, 112, and 113.
+	DeploymentCSV
+
 	// NOTE: DefinedDeployments must always come last since it is used to
 	// determine how many defined deployments there currently are.
 
@@ -270,6 +275,11 @@ var MainNetParams = Params{
 			StartTime:  1199145601, // January 1, 2008 UTC
 			ExpireTime: 1230767999, // December 31, 2008 UTC
 		},
+		DeploymentCSV: {
+			BitNumber:  0,
+			StartTime:  1462060800, // May 1st, 2016
+			ExpireTime: 1493596800, // May 1st, 2017
+		},
 	},
 
 	// Mempool parameters
@@ -330,6 +340,11 @@ var RegressionNetParams = Params{
 			StartTime:  0,             // Always available for vote
 			ExpireTime: math.MaxInt64, // Never expires
 		},
+		DeploymentCSV: {
+			BitNumber:  0,
+			StartTime:  0,             // Always available for vote
+			ExpireTime: math.MaxInt64, // Never expires
+		},
 	},
 
 	// Mempool parameters
@@ -407,6 +422,11 @@ var TestNet3Params = Params{
 			StartTime:  1199145601, // January 1, 2008 UTC
 			ExpireTime: 1230767999, // December 31, 2008 UTC
 		},
+		DeploymentCSV: {
+			BitNumber:  0,
+			StartTime:  1456790400, // March 1st, 2016
+			ExpireTime: 1493596800, // May 1st, 2017
+		},
 	},
 
 	// Mempool parameters
@@ -471,6 +491,11 @@ var SimNetParams = Params{
 			StartTime:  0,             // Always available for vote
 			ExpireTime: math.MaxInt64, // Never expires
 		},
+		DeploymentCSV: {
+			BitNumber:  0,
+			StartTime:  0,             // Always available for vote
+			ExpireTime: math.MaxInt64, // Never expires
+		},
 	},
 
 	// Mempool parameters