diff --git a/README.md b/README.md
index afde03a..1dc63c8 100644
--- a/README.md
+++ b/README.md
@@ -346,7 +346,7 @@ sha256sum /etc/ghost/casper.json
 
 You should see:
 ```
-9da6045ed6d4fd844e3939573b31c013d0e564e542029330faa6d978cb4a915a
+4645c7d39a64424d823f659d408070f8c90426117e7af147b0360697b2db7f4f  /etc/ghost/casper.json
 ```
 
 Create running `ghost-node` service that starts on system boot using `--unit-file` flag.
diff --git a/rust-toolchain.toml b/rust-toolchain.toml
new file mode 100644
index 0000000..47b76d7
--- /dev/null
+++ b/rust-toolchain.toml
@@ -0,0 +1,4 @@
+[toolchain]
+channel = "1.93.1"
+components = ["rustfmt", "clippy", "rust-src"]
+targets = ["wasm32-unknown-unknown"]
diff --git a/scripts/starter.sh b/scripts/starter.sh
index 0183cbb..dde3bc7 100755
--- a/scripts/starter.sh
+++ b/scripts/starter.sh
@@ -85,30 +85,16 @@ extract_seed() {
     echo $seed
 }
 
-upgrade_compiler_if_needed() {
-    UPDATE_STATUS=$(rustup check 2>&1)
+apply_patches_if_needed() {
+    local PATCH_STATUS=0
     "$SCRIPT_FOLDER"/patch.sh || PATCH_STATUS=$?
 
-    if echo "$UPDATE_STATUS" | grep -q "Update available" || [ $PATCH_STATUS -eq 2 ]; then
+    if [ "$PATCH_STATUS" -eq 2 ]; then
         echo "[+] clean all cache on the current system"
-        cargo install cargo-cache
         cargo clean
+        cargo install cargo-cache
         cargo cache --remove-dir all
 
-        echo "[+] upgrading rustc compiler version to latest"
-        rustup update
-        toolchain_name=$(rustup show | grep default | head -n 1 | cut -d' ' -f1)
-
-        if ! rustup target list --installed | grep -q "wasm32-unknown-unknown"; then
-            echo "[+] installing wasm32-unknown-unknown target"
-            rustup target add wasm32-unknown-unknown
-        fi
-
-        if ! rustup component list --installed | grep -q "rust-src"; then
-            echo "[+] installing rust-src component"
-            rustup component add rust-src
-        fi
-
         echo "[+] fetching all dependencies"
         cargo fetch
 
@@ -240,7 +226,7 @@ if [[ $HARD_RESET = true ]]; then
         exit 1
     fi
 
-    upgrade_compiler_if_needed
+    apply_patches_if_needed
 
     echo "[+] trying to stop current ghost-node"
     sudo systemctl stop ghost-node
@@ -349,12 +335,12 @@ if [[ $SET_ENVIRONMENT = true ]]; then
 
     if prompt "[?] setup the rust environment (e.g. WASM support)?"; then
         rustup default stable
-        upgrade_compiler_if_needed
+        apply_patches_if_needed
     fi
 fi
 
 if [[ ! -z $RELEASE ]]; then
-    upgrade_compiler_if_needed
+    apply_patches_if_needed
     if prompt "[?] 'cargo build $RELEASE $FEATURES' is what you want?"; then
         cd $PROJECT_FOLDER
         echo "[+] starting build in 3 seconds..."