diff --git a/basics/hello-solana/steel/Cargo.toml b/basics/hello-solana/steel/Cargo.toml
index ee41858a..64649f8c 100644
--- a/basics/hello-solana/steel/Cargo.toml
+++ b/basics/hello-solana/steel/Cargo.toml
@@ -15,7 +15,7 @@ keywords = ["solana"]
 [workspace.dependencies]
 bytemuck = "1.14"
 num_enum = "0.7"
-solana-program = "2.0.13"
-steel = "2.1"
+solana-program = "=2.0.13"
+steel = "=2.1.1"
 thiserror = "1.0"
 solana-sdk = "1.18"
diff --git a/basics/hello-solana/steel/program/Cargo.toml b/basics/hello-solana/steel/program/Cargo.toml
index 49bc1df8..f6908924 100644
--- a/basics/hello-solana/steel/program/Cargo.toml
+++ b/basics/hello-solana/steel/program/Cargo.toml
@@ -7,5 +7,5 @@ edition = "2021"
 crate-type = ["cdylib", "lib"]
 
 [dependencies]
-solana-program = "2.0.13"
-steel = "2.1"
+solana-program = "=2.0.13"
+steel = "=2.1.1"