diff --git a/examples/adder/Cargo.toml b/examples/adder/Cargo.toml
index d9c32d2df..adb000042 100644
--- a/examples/adder/Cargo.toml
+++ b/examples/adder/Cargo.toml
@@ -16,6 +16,7 @@ tokio = { version = "1.14", features = ["full"] }
 anyhow = "1.0"
 near-abi = "0.4.0"
 zstd = "0.13"
+near-sdk = { path = "../../near-sdk", features = ["unit-testing"] }
 
 [profile.release]
 codegen-units = 1
diff --git a/examples/fungible-token/ft/Cargo.toml b/examples/fungible-token/ft/Cargo.toml
index 664d923b0..923da013b 100644
--- a/examples/fungible-token/ft/Cargo.toml
+++ b/examples/fungible-token/ft/Cargo.toml
@@ -10,3 +10,6 @@ crate-type = ["cdylib"]
 [dependencies]
 near-sdk = { path = "../../../near-sdk" }
 near-contract-standards = { path = "../../../near-contract-standards" }
+
+[dev-dependencies] 
+near-sdk = { path = "../../near-sdk", features = ["unit-testing"] }
\ No newline at end of file
diff --git a/examples/non-fungible-token/nft/Cargo.toml b/examples/non-fungible-token/nft/Cargo.toml
index 16fd40d50..b424d7dca 100644
--- a/examples/non-fungible-token/nft/Cargo.toml
+++ b/examples/non-fungible-token/nft/Cargo.toml
@@ -10,3 +10,6 @@ crate-type = ["cdylib"]
 [dependencies]
 near-sdk = { path = "../../../near-sdk" }
 near-contract-standards = { path = "../../../near-contract-standards" }
+
+[dev-dependencies] 
+near-sdk = { path = "../../near-sdk", features = ["unit-testing"] } 
\ No newline at end of file
diff --git a/examples/test-contract/Cargo.toml b/examples/test-contract/Cargo.toml
index c9bda7458..423588334 100644
--- a/examples/test-contract/Cargo.toml
+++ b/examples/test-contract/Cargo.toml
@@ -17,3 +17,6 @@ opt-level = "z"
 lto = true
 debug = false
 panic = "abort"
+
+[dev-dependencies] 
+near-sdk = { path = "../../near-sdk", features = ["unit-testing"] }