diff --git a/charts/devnet/scripts/create_validator.sh b/charts/devnet/scripts/create_validator.sh
index 7efa8d25..1a5dd982 100644
--- a/charts/devnet/scripts/create_validator.sh
+++ b/charts/devnet/scripts/create_validator.sh
@@ -17,20 +17,77 @@ do
   sleep 30
 done
 
-# Run create validator tx command
-echo "Running txn for create-validator"
-$CHAIN_BIN tx staking create-validator \
-  --pubkey=$($CHAIN_BIN tendermint show-validator) \
-  --moniker $VAL_NAME \
-  --amount 5000000000$DENOM \
-  --chain-id $CHAIN_ID \
-  --from $VAL_NAME \
-  --commission-rate="0.10" \
-  --commission-max-rate="0.20" \
-  --commission-max-change-rate="0.01" \
-  --min-self-delegation="1000000" \
-  --fees 100000$DENOM \
-  --gas="auto" \
-  --gas-adjustment 1.5 --yes > /validator.log
-
-cat /validator.log | jq
+# Function to compare version numbers
+version_compare() {
+    version1="$1"
+    version2="$2"
+    if [[ "$(printf '%s\n' "$version1" "$version2" | sort -V | head -n 1)" == "$version1" ]]; then
+        return 1 # version1 is greater
+    else
+        return 0 # version2 is greater or equal
+    fi
+}
+
+# Check if cosmos_sdk_version is greater than a specified version
+is_greater() {
+    version_compare "$1" "$2"
+    return $?
+}
+
+function cosmos-sdk-version-v50() {
+  # Content for the validator.json file
+  json_content='{
+    "pubkey": '$($CHAIN_BIN tendermint show-validator)',
+    "amount": "5000000000'$DENOM'",
+    "moniker": "'$VAL_NAME'",
+    "commission-rate": "0.1",
+    "commission-max-rate": "0.2",
+    "commission-max-change-rate": "0.01",
+    "min-self-delegation": "1000000"
+  }'
+  echo "$json_content" > /validator.json
+  cat /validator.json
+
+  # Run create validator tx command
+  echo "Running txn for create-validator"
+  $CHAIN_BIN tx staking create-validator /validator.json \
+    --chain-id $CHAIN_ID \
+    --from $VAL_NAME \
+    --fees 100000$DENOM \
+    --gas="auto" \
+    --gas-adjustment 1.5 --yes > /validator.log
+
+  cat /validator.log | jq
+}
+
+function cosmos-sdk-version-default() {
+  # Run create validator tx command
+  echo "Running txn for create-validator"
+  $CHAIN_BIN tx staking create-validator \
+    --pubkey=$($CHAIN_BIN tendermint show-validator) \
+    --moniker $VAL_NAME \
+    --amount 5000000000$DENOM \
+    --chain-id $CHAIN_ID \
+    --from $VAL_NAME \
+    --commission-rate="0.10" \
+    --commission-max-rate="0.20" \
+    --commission-max-change-rate="0.01" \
+    --min-self-delegation="1000000" \
+    --fees 100000$DENOM \
+    --gas="auto" \
+    --gas-adjustment 1.5 --yes > /validator.log
+
+  cat /validator.log | jq
+}
+
+# Fetch the cosmos-sdk version to be able to perform the create-validator tx
+cosmos_sdk_version=$($CHAIN_BIN version --long | sed -n 's/cosmos_sdk_version: \(.*\)/\1/p')
+echo "cosmos_sdk_version: $cosmos_sdk_version"
+
+if is_greater "$cosmos_sdk_version" "v0.50.0"; then
+  echo "cosmos_sdk_version is greater than v0.50.0, running create-validator tx with new format"
+  cosmos-sdk-version-v50
+else
+  echo "cosmos_sdk_version is less than v0.50.0, running create-validator tx with old format"
+  cosmos-sdk-version-default
+fi
diff --git a/examples/cosmos-simapp-multi/configs/local.yaml b/examples/cosmos-simapp-multi/configs/local.yaml
index 75720f99..d54c8d96 100644
--- a/examples/cosmos-simapp-multi/configs/local.yaml
+++ b/examples/cosmos-simapp-multi/configs/local.yaml
@@ -1,16 +1,20 @@
 chains:
   - name: simapp
     type: simapp
-    image: ghcr.io/cosmology-tech/starship/simapp:v0.47.3
+    image: ghcr.io/cosmos/simapp:latest
     numValidators: 2
     ports:
       rest: 1317
       rpc: 26657
+      grpc: 9091
+      faucet: 8001
     faucet:
-      image: ghcr.io/cosmology-tech/starship/cosmjs-faucet:v0.31.0-alpha.2
-    resources:
-      cpu: "1"
-      memory: "2Gi"
+      # use v0.31.0-alpha.2 cosmjs-faucet for compatibility with simapp v0.47.3
+      image: ghcr.io/cosmology-tech/starship/cosmjs-faucet:v0.31.0
+      concurrency: 4
+
+exposer:
+  image: ghcr.io/cosmology-tech/starship/exposer:20230808-2333929
 
 registry:
   enabled: true