diff --git a/cep18-test-contract/Cargo.toml b/cep18-test-contract/Cargo.toml
index f63dfbb..733ffaa 100644
--- a/cep18-test-contract/Cargo.toml
+++ b/cep18-test-contract/Cargo.toml
@@ -12,5 +12,5 @@ doctest = false
 test = false
 
 [dependencies]
-casper-contract = "2.0.0"
-casper-types = "2.0.0"
+casper-contract = "3.0.0"
+casper-types = "3.0.0"
diff --git a/cep18/Cargo.toml b/cep18/Cargo.toml
index 566efb7..c1295a3 100644
--- a/cep18/Cargo.toml
+++ b/cep18/Cargo.toml
@@ -18,9 +18,8 @@ test = false
 
 [dependencies]
 base64 = { version = "0.20.0", default-features = false, features = ["alloc"] }
-casper-contract = "2.0.0"
-casper-types = "2.0.0"
+casper-contract = "3.0.0"
+casper-types = "3.0.0"
 hex = { version = "0.4.3", default-features = false }
 once_cell = { version = "1.16.0", default-features = false }
-casper-event-standard = { version = "0.3.0", default-features = false }
-getrandom = { version = "0.2", features = ["js"] }
+casper-event-standard = { version = "0.4.1", default-features = false }
diff --git a/rust-toolchain b/rust-toolchain
index 261d20a..f9e5e5e 100755
--- a/rust-toolchain
+++ b/rust-toolchain
@@ -1 +1 @@
-nightly-2023-01-09
+nightly-2023-03-25
diff --git a/tests/Cargo.toml b/tests/Cargo.toml
index dd14737..d106a21 100644
--- a/tests/Cargo.toml
+++ b/tests/Cargo.toml
@@ -5,9 +5,9 @@ edition = "2018"
 authors = ["Michał Papierski <michal@casperlabs.io>"]
 
 [dependencies]
-casper-types = "2.0.0"
-casper-engine-test-support = "4.0.0"
-casper-execution-engine = "4.0.0"
+casper-types = "3.0.0"
+casper-engine-test-support = "5.0.0"
+casper-execution-engine = "5.0.0"
 once_cell = "1.16.0"
 
 [lib]